{"title":"Pool Heater Pressure, Flow \u0026 Limit Switches","description":"\u003cp\u003ePressure, flow and high-limit switches are safety devices that keep a pool heater from firing without enough water flow or above a safe temperature. When one fails, the heater usually shows a flow or pressure error and won't ignite. Shop replacement switches for Pentair, Hayward, Jandy and Raypak heaters, plus flow switches for salt systems and automation.\u003c\/p\u003e\u003cp\u003eBefore replacing a pressure switch, check for a dirty filter, closed valves or a clogged pump basket, since low flow trips the same error. If the switch is the problem, send us your heater model and we will confirm the right part.\u003c\/p\u003e\u003cp\u003eNationwide shipping and same-day pickup in Henderson, NV. Call 725-205-1783 for troubleshooting help.\u003c\/p\u003e","products":[{"product_id":"pentair-42001-0063s-high-limit-switch-max-e-therm-and-mastertemp","title":"Pentair MasterTemp\/Sta-Rite Pool Heater High Limit Switch | 42001-0063S","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 42001-0063S is a genuine OEM replacement high limit switch for Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. It is a safety device in the heater's electrical system that shuts the heater down if water temperature inside the heater rises past a safe limit, protecting the heat exchanger and surrounding components from overheating.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e⚠️ Important Purchase Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is a heater safety component. Installation should be done by a qualified pool technician following Pentair's heater service instructions and local codes. Never bypass a high limit switch. Inspect the shipment upon arrival and report damage promptly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplacing a failed or faulty high limit switch on a MasterTemp or Max-E-Therm heater.\u003c\/li\u003e\n\u003cli\u003eHeaters that shut down or show a high limit fault code.\u003c\/li\u003e\n\u003cli\u003ePool service technicians repairing Pentair and Sta-Rite gas heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Pentair OEM part, number 42001-0063S.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for MasterTemp and Max-E-Therm heaters.\u003c\/li\u003e\n\u003cli\u003ePart of the heater's electrical safety circuit.\u003c\/li\u003e\n\u003cli\u003eCompact switch that installs in the original location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRestores the heater's overheat protection.\u003c\/li\u003e\n\u003cli\u003eHelps protect the heat exchanger and heater components from heat damage.\u003c\/li\u003e\n\u003cli\u003eOEM fit means no modifications or adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFits Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. Confirm the part number against your heater's parts list or the existing switch before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation or Upgrade Context\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eTurn off all electrical power and the gas supply to the heater before servicing. Remove the old switch, install the new 42001-0063S in the same location, and reconnect the wiring as originally routed. Restore power and gas, then test the heater for proper operation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne Pentair 42001-0063S high limit switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeater high limit switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU \/ Model\u003c\/td\u003e\n\u003ctd\u003e42001-0063S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Heaters\u003c\/td\u003e\n\u003ctd\u003ePentair MasterTemp, Sta-Rite Max-E-Therm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePool and spa heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e5 x 3 x 0.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.05 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e022315209831\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCovered by Pentair’s manufacturer warranty, subject to Pentair’s applicable terms. Contact Pentair for warranty claim instructions; Pool Supply Depot can provide proof of purchase.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhich heaters does this fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run my heater without the high limit switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is a safety device and should never be bypassed. Replace a failed switch with the correct part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know my high limit switch has failed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA heater that won't fire or shows a high limit fault even when the water isn't overheating may have a failed switch. Have a technician confirm before replacing.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49103763603766,"sku":"42001-0063S","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-mastertempsta-rite-pool-heater-high-limit-switch-42001-0063s-5671929.jpg?v=1793918528"},{"product_id":"pentair-42001-0060s-mastertemp-and-max-e-therm-pressure-switch","title":"Pentair 42001-0060S. Mastertemp and Max-E-Therm Pressure Switch.","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 42001-0060S Water Pressure Switch is a genuine OEM replacement safety component designed for compatible Pentair MasterTemp® and Sta-Rite Max-E-Therm® pool and spa heaters. This switch monitors water pressure and flow through the heater and signals the control board that adequate water circulation is present before allowing the heater to ignite.\u003c\/p\u003e\n\u003cp\u003eIf water flow falls below the required level due to a dirty filter, closed valve, pump problem, or plumbing restriction, the pressure switch prevents the heater from firing. This important safety feature helps protect the heat exchanger from overheating and potential damage caused by operating without sufficient water flow.\u003c\/p\u003e\n\u003cp\u003eA failed or malfunctioning pressure switch may cause the heater to display a no-heat condition, fail to ignite, cycle improperly, or generate water flow-related service errors. Replacing a defective switch with the genuine Pentair 42001-0060S restores proper heater safety operation when the pressure switch has been confirmed as the source of the problem.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGenuine Pentair OEM replacement part\u003c\/p\u003e\n\u003cp\u003eMonitors water pressure before ignition\u003c\/p\u003e\n\u003cp\u003ePrevents heater operation without adequate water flow\u003c\/p\u003e\n\u003cp\u003eDirect replacement for compatible MasterTemp and Max-E-Therm heaters\u003c\/p\u003e\n\u003cp\u003eHelps protect the heat exchanger from dry-fire damage\u003c\/p\u003e\n\u003cp\u003eFactory-calibrated for reliable operation\u003c\/p\u003e\n\u003cp\u003eDurable weather-resistant construction\u003c\/p\u003e\n\u003cp\u003eSimple electrical connection\u003c\/p\u003e\n\u003cp\u003eDesigned for long service life\u003c\/p\u003e\n\u003cp\u003eProfessional installation recommended\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eRestores proper heater safety operation\u003c\/p\u003e\n\u003cp\u003eHelps eliminate false water-pressure shutdowns\u003c\/p\u003e\n\u003cp\u003eProtects expensive heater components\u003c\/p\u003e\n\u003cp\u003eEnsures proper ignition sequencing\u003c\/p\u003e\n\u003cp\u003eMaintains reliable pool and spa heating\u003c\/p\u003e\n\u003cp\u003eGenuine OEM fit and performance\u003c\/p\u003e\n\u003cp\u003eCost-effective repair compared to replacing larger heater assemblies\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWater Pressure Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e42001-0060S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e42001-0060S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e788379691134\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePool \u0026amp; Spa Gas Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Heater Series\u003c\/td\u003e\n\u003ctd\u003ePentair MasterTemp®, Sta-Rite Max-E-Therm®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible BTU Models\u003c\/td\u003e\n\u003ctd\u003e175K, 200K, 250K, 300K, 333K \u0026amp; 400K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e125K Heater Compatible\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Replacement\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e3 x 3 x 2.25 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompatible with many Pentair and Sta-Rite heaters, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMasterTemp 175\u003c\/li\u003e\n\u003cli\u003eMasterTemp 200\u003c\/li\u003e\n\u003cli\u003eMasterTemp 250\u003c\/li\u003e\n\u003cli\u003eMasterTemp 300\u003c\/li\u003e\n\u003cli\u003eMasterTemp 333\u003c\/li\u003e\n\u003cli\u003eMasterTemp 400\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 175\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 200\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 250\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 300\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 333\u003c\/li\u003e\n\u003cli\u003eSta-Rite Max-E-Therm 400\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNot compatible with 125,000 BTU MasterTemp or Max-E-Therm heaters.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCommon Symptoms of a Failed Pressure Switch\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eReplacement may be required if your heater experiences:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeater will not ignite despite proper water flow\u003c\/li\u003e\n\u003cli\u003eIntermittent heating\u003c\/li\u003e\n\u003cli\u003eWater pressure or flow safety faults\u003c\/li\u003e\n\u003cli\u003eHeater cycles on and off unexpectedly\u003c\/li\u003e\n\u003cli\u003eCorroded or leaking pressure switch\u003c\/li\u003e\n\u003cli\u003eFailed continuity during diagnostic testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways verify proper pump operation, clean filters, and unrestricted plumbing before replacing the pressure switch, as insufficient water flow can produce similar symptoms.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDisconnect electrical power and shut off the gas supply before servicing the heater. Allow the heater to cool completely and relieve all system pressure.\u003c\/p\u003e\n\u003cp\u003eRemove the existing pressure switch, install the new OEM switch, reconnect the wiring, and verify that all threaded connections are properly sealed. After restoring power and water flow, test heater operation to confirm normal ignition and safe shutdown functions.\u003c\/p\u003e\n\u003cp\u003eInstallation should be performed by a qualified pool professional or licensed service technician.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConfirm Before Ordering\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePlease verify:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour required part number is 42001-0060S\u003c\/li\u003e\n\u003cli\u003eYour heater is a compatible MasterTemp or Max-E-Therm model\u003c\/li\u003e\n\u003cli\u003eYour heater is 175K–400K BTU\u003c\/li\u003e\n\u003cli\u003eYou have confirmed the pressure switch is the failed component\u003c\/li\u003e\n\u003cli\u003eProper water flow and filtration have been verified\u003c\/li\u003e\n\u003cli\u003eYou are replacing the pressure switch only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis genuine Pentair replacement part is covered by Pentair's applicable limited manufacturer warranty against defects in materials and workmanship. Damage caused by improper installation, freezing, excessive pressure, electrical issues, water intrusion, or misuse is not covered.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does this pressure switch do?\u003c\/strong\u003e\u003cbr\u003eA: It verifies adequate water pressure before allowing the heater to ignite, protecting the heat exchanger from damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fit a MasterTemp 400?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It fits compatible MasterTemp 175, 200, 250, 300, 333, and 400 BTU models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will it fit the 125K MasterTemp heater?\u003c\/strong\u003e\u003cbr\u003eA: No. This part is not compatible with the 125,000 BTU heater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can a bad pressure switch prevent the heater from firing?\u003c\/strong\u003e\u003cbr\u003eA: Yes. A faulty pressure switch can prevent ignition because the control board cannot verify proper water flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a genuine Pentair part?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Part number 42001-0060S is a genuine Pentair OEM replacement pressure switch.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49103840477494,"sku":"420010060S","price":77.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-42001-0060s-mastertemp-and-max-e-therm-pressure-switch-8096879.jpg?v=1793918527"},{"product_id":"pentair-520736-intellichlor-flow-switch-replacement-kit","title":"Pentair Flow Switch Assembly | 520736","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 520736 Flow Switch Replacement Kit is an OEM flow and temperature sensing assembly designed for IntelliChlor® and iChlor® salt-chlorine generator systems. This part monitors both water flow and temperature, ensuring that chlorine production only occurs under safe operating conditions. Replacing a worn or failed switch restores proper system safety and performance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePool owners with IntelliChlor® or iChlor® systems displaying “Low Flow” or “Sensor Fault” warnings.\u003c\/p\u003e\n\u003cp\u003eService professionals performing routine maintenance or diagnostics on Pentair salt systems.\u003c\/p\u003e\n\u003cp\u003eInstallations where the existing switch assembly has worn out, corroded, or been damaged.\u003c\/p\u003e\n\u003cp\u003ePool facilities seeking reliable, accurate flow and temperature sensing for automated salt-chlorination.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Pentair Part:\u003c\/strong\u003e ensures precise fit and compatibility with IntelliChlor® and iChlor® models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Function:\u003c\/strong\u003e measures both flow rate and temperature to support safe chlorine generation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e designed for IntelliChlor® IC15, IC20, IC40, IC60 and iChlor® systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes Sealed Connectors:\u003c\/strong\u003e watertight splices and wire harness for secure installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRestores System Performance:\u003c\/strong\u003e resolves inaccurate readings or false low-flow alarms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e built for long-term use in pool and spa chemical environments.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e520736\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e788379724016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eFlow Switch Replacement Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003ePentair IntelliChlor® salt chlorine generators; EasyTouch® control systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e3.5 x 7 x 5.5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does this switch do?\u003c\/strong\u003e\u003cbr\u003eA: It detects water flow and temperature, signaling the control unit when conditions are safe for chlorine production.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know it needs replacement?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include persistent “No Flow” or “Sensor Error” alerts even when the system is running normally.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this myself?\u003c\/strong\u003e\u003cbr\u003eA: Installation is straightforward for anyone familiar with pool equipment. Always disconnect power, follow the wiring diagram, and ensure proper flow direction before restoring power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this part include the cable and connectors?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the kit includes the cable assembly, connectors, and sealing components for a complete replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this compatible with all IntelliChlor models?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it works with all standard IntelliChlor® and iChlor® models, including IC15, IC20, IC40, and IC60.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49162886644022,"sku":"520736","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-flow-switch-assembly-520736-6137560.webp?v=1793918526"},{"product_id":"pentair-external-flow-switch-kit-3ft-intellichem-522623z","title":"Pentair Intelllichem External Low Flow Switch Kit, 3ft Cable | 522623Z","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair IntelliChem External Low Flow Switch Kit, 3ft Cable | 522623Z is a genuine Pentair replacement flow switch kit designed for IntelliChem chemical control systems. This external flow switch helps the IntelliChem controller confirm proper water flow before chemical monitoring or dosing occurs, supporting safer and more reliable chemical automation.\u003c\/p\u003e\n\u003cp\u003eBuilt for low-flow applications, this kit is especially useful when the standard IntelliChem flow switch has difficulty detecting flow or when an external flow switch setup is preferred. It includes a 3-foot cable for convenient installation and connection to compatible IntelliChem systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis external flow switch kit is ideal for pool professionals, service technicians, and pool owners who need to replace or upgrade the flow switch on a Pentair IntelliChem chemical controller. It is commonly used in systems where low water movement may affect standard flow detection, helping ensure the controller only operates when adequate flow is present.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGenuine Pentair replacement part for IntelliChem systems\u003c\/p\u003e\n\u003cp\u003eExternal low-flow switch design for reliable flow detection\u003c\/p\u003e\n\u003cp\u003eIncludes 3-foot cable for flexible installation\u003c\/p\u003e\n\u003cp\u003eHelps support proper chemical controller operation\u003c\/p\u003e\n\u003cp\u003eDesigned for low-flow applications\u003c\/p\u003e\n\u003cp\u003eCompatible with Pentair IntelliChem chemical controllers\u003c\/p\u003e\n\u003cp\u003eUseful replacement when the OEM\/internal flow switch has flow-detection issues\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 522623Z helps protect your chemical automation system by allowing the controller to verify water flow before monitoring or feeding chemicals. This can help reduce the risk of chemical dosing when circulation is insufficient. Its external configuration and low-flow performance make it a practical solution for IntelliChem installations that require dependable flow sensing in challenging conditions.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eIntelliChem External Low Flow Switch Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number \/ SKU\u003c\/td\u003e\n\u003ctd\u003e522623Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e788379875336\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e3 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eFlow detection for IntelliChem chemical control systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePentair IntelliChem Chemical Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eExternal flow switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eChemical Controller Replacement Part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Shipping)\u003c\/td\u003e\n\u003ctd\u003e2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e6 x 3 x 3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does this flow switch kit do?\u003c\/strong\u003e\u003cbr\u003eA: It helps the IntelliChem chemical controller detect whether water is flowing through the system before chemical monitoring or dosing takes place.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a genuine Pentair part?\u003c\/strong\u003e\u003cbr\u003eA: Yes, this is listed as Pentair part number 522623Z.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What system is this compatible with?\u003c\/strong\u003e\u003cbr\u003eA: It is designed for use with Pentair IntelliChem chemical controllers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How long is the included cable?\u003c\/strong\u003e\u003cbr\u003eA: The kit includes a 3-foot cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should this part be replaced?\u003c\/strong\u003e\u003cbr\u003eA: Replace it if your IntelliChem system is experiencing flow-detection issues, especially in low-flow applications, or if the existing flow switch is damaged or not responding properly.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":50186435821878,"sku":"522623Z","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-intelllichem-external-low-flow-switch-kit-3ft-cable-522623z-5076313.png?v=1793917509"},{"product_id":"pentair-flow-switch-w-connector-bioshield-uv-523458","title":"Pentair Flow Switch W\/Connector Bioshield UV | 523458","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair Flow Switch with Connector 523458 is a genuine OEM replacement flow switch designed for Pentair BioShield UV systems. This flow switch helps monitor water movement through the UV chamber and allows the system to operate only when proper flow is detected.\u003c\/p\u003e\n\u003cp\u003eA working flow switch is an important safety and performance component for BioShield UV systems. It helps prevent the UV system from activating without water flow, which can protect the lamp, chamber, and related components from potential overheating or premature damage.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePentair BioShield UV system repairs\u003c\/p\u003e\n\u003cp\u003eReplacing a failed flow switch\u003c\/p\u003e\n\u003cp\u003eFlow fault troubleshooting\u003c\/p\u003e\n\u003cp\u003eUV sanitizer maintenance\u003c\/p\u003e\n\u003cp\u003ePool service technicians\u003c\/p\u003e\n\u003cp\u003eCommercial pool equipment maintenance\u003c\/p\u003e\n\u003cp\u003eResidential pool UV system repairs\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGenuine Pentair OEM replacement part\u003c\/p\u003e\n\u003cp\u003eDesigned for Pentair BioShield UV systems\u003c\/p\u003e\n\u003cp\u003eIncludes flow switch with connector\u003c\/p\u003e\n\u003cp\u003eHelps detect water flow through the UV chamber\u003c\/p\u003e\n\u003cp\u003eSupports safe UV system operation\u003c\/p\u003e\n\u003cp\u003eHelps prevent dry operation of the UV lamp\/chamber\u003c\/p\u003e\n\u003cp\u003eImportant replacement part for flow-related fault issues\u003c\/p\u003e\n\u003cp\u003eSingle replacement unit for service repairs\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 523458 flow switch helps keep the BioShield UV system operating correctly by confirming that water is moving through the system before the UV unit activates. If the existing flow switch is damaged, disconnected, or no longer reading properly, the UV system may fail to start, shut down unexpectedly, or display a flow-related fault.\u003c\/p\u003e\n\u003cp\u003eUsing a genuine Pentair replacement part helps ensure proper fit, connection, and system compatibility on approved BioShield UV models.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eUV System Flow Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eFlow Switch W\/Connector BioShield UV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e523458\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e523458\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM \/ Aftermarket\u003c\/td\u003e\n\u003ctd\u003eGenuine Pentair OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eFlow switch with connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBioShield UV sanitizer systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System Series\u003c\/td\u003e\n\u003ctd\u003ePentair BioShield UV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Compatible Models\u003c\/td\u003e\n\u003ctd\u003e522635, 522636, 522637, 522638\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Compatible Model\u003c\/td\u003e\n\u003ctd\u003e522945, confirm before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Use\u003c\/td\u003e\n\u003ctd\u003eDetects water flow through UV system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold As\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarcode\u003c\/td\u003e\n\u003ctd\u003e788379884505\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eConfirm Before Ordering\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eConfirm your BioShield UV model number before ordering. This part is commonly used on Pentair BioShield UV models 522635, 522636, 522637, and 522638, with additional compatibility sometimes listed for 522945. Always shut off power and water flow before servicing UV equipment. UV sanitation systems should be serviced by a qualified pool professional or technician familiar with electrical pool equipment.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the Pentair 523458 flow switch do?\u003c\/strong\u003e\u003cbr\u003eA: It monitors water flow through the Pentair BioShield UV system and helps allow the UV unit to operate only when proper flow is present.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which systems does this fit?\u003c\/strong\u003e\u003cbr\u003eA: This flow switch is commonly listed for Pentair BioShield UV models 522635, 522636, 522637, and 522638. Some listings also show compatibility with 522945. Always confirm your exact BioShield UV model before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this include the connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. This part is sold as a flow switch with connector.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a complete UV sanitizer?\u003c\/strong\u003e\u003cbr\u003eA: No. This is a replacement flow switch only. It does not include the UV chamber, lamp, ballast, quartz sleeve, or complete BioShield system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should this part be replaced?\u003c\/strong\u003e\u003cbr\u003eA: Replace it if the BioShield UV system is showing a flow fault, failing to activate when water is flowing, shutting off unexpectedly, or if the switch or connector is visibly damaged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM Pentair part?\u003c\/strong\u003e\u003cbr\u003eA: Yes. This listing is for a genuine Pentair OEM replacement flow switch with connector.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":51282439209270,"sku":"523458","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-flow-switch-wconnector-bioshield-uv-523458-8964434.png?v=1793917211"},{"product_id":"pentair-mastertemp-sta-rite-pool-heater-air-flow-switch-42001-0061s","title":"Pentair MasterTemp\/Sta-Rite Pool Heater Air Flow Switch | 42001-0061S","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 42001-0061S Air Flow Switch is a genuine Pentair replacement part for Pentair MasterTemp and Sta-Rite Max-E-Therm gas pool and spa heaters.\u003c\/p\u003e\n\u003cp\u003eReplacement Pentair\/Sta-Rite Air Flow Switch designed to fit heaters listed below;\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMax-E-Therm SR-200\u003c\/li\u003e\n\u003cli\u003eMax-E-Therm SR-333\u003c\/li\u003e\n\u003cli\u003eMax-E-Therm SR-400\u003c\/li\u003e\n\u003cli\u003ePentair Mastertemp 460730\u003c\/li\u003e\n\u003cli\u003ePentair Mastertemp 460732\u003c\/li\u003e\n\u003cli\u003ePentair Mastertemp 460734\u003c\/li\u003e\n\u003cli\u003ePentair Mastertemp 460736\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is a OEM replacement Part #42001-0061S\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplacing a failed air flow switch on MasterTemp and Max-E-Therm heaters\u003c\/p\u003e\n\u003cp\u003eHeater service and troubleshooting of air-flow related faults\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Pentair OEM part:\u003c\/strong\u003e part number 42001-0061S\u003c\/p\u003e\n\u003cp\u003eFits MasterTemp and Max-E-Therm heater electrical systems\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair (Sta-Rite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e42001-0061S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e022315210615\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e8.5 x 7 x 2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003eMax-E-Therm SR-200, SR-333, SR-400; MasterTemp 460730, 460732, 460734, 460736\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eConfirm your heater model and the existing switch part number before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTurn off power and gas to the heater before servicing. Installation by a qualified heater technician is recommended. Test heater operation after installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the part number?\u003c\/strong\u003e\u003cbr\u003eA: Pentair 42001-0061S.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the UPC?\u003c\/strong\u003e\u003cbr\u003eA: 022315210615.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which heaters does it fit?\u003c\/strong\u003e\u003cbr\u003eA: Max-E-Therm SR-200, SR-333, SR-400 and MasterTemp 460730, 460732, 460734 and 460736.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is a genuine Pentair replacement part.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":51302293668150,"sku":"42001-0061S","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-mastertempsta-rite-pool-heater-air-flow-switch-42001-0061s-3584762.jpg?v=1793917210"},{"product_id":"pentair-air-pressure-switch-replacement-pentair-eti400-heater-475987","title":"Pentair Air Pressure Switch Replacement Pentair Eti400 Heater | 475987","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 475987 Air Pressure Switch is a genuine Pentair replacement part for ETi 400 gas pool and spa heaters.\u003c\/p\u003e\n\u003cp\u003ePentair ETI 400K Btu Heater air pressure switch.\u003c\/p\u003e\n\u003cp\u003eOEM replacement part #475987\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplacing a failed air pressure switch on an ETi 400 heater\u003c\/p\u003e\n\u003cp\u003eHeater service and troubleshooting of air-pressure related faults\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Pentair OEM part:\u003c\/strong\u003e part number 475987\u003c\/p\u003e\n\u003cp\u003eFor ETi 400 and UltraTemp ETi heaters\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e475987\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e788379878085\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e8 x 2 x 10 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003ePentair ETi 400; UltraTemp ETi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFor Pentair ETi 400 and UltraTemp ETi heaters. Confirm your heater model and the existing switch part number before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTurn off power and gas to the heater before servicing. Installation by a qualified heater technician is recommended. Test heater operation after installation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the part number?\u003c\/strong\u003e\u003cbr\u003eA: Pentair 475987.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the UPC?\u003c\/strong\u003e\u003cbr\u003eA: 788379878085.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which heaters does it fit?\u003c\/strong\u003e\u003cbr\u003eA: Pentair ETi 400 and UltraTemp ETi heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is a genuine Pentair replacement part.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":51302855999798,"sku":"475987","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-air-pressure-switch-replacement-pentair-eti400-heater-475987-2060729.jpg?v=1793917210"},{"product_id":"pentair-flow-cell-w-flow-switch-for-intellichem-754000310","title":"Pentair Flow Cell w\/ Flow Switch For Intellichem | 754000310","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 754000310 is a genuine OEM replacement flow-cell assembly designed for IntelliChem® chemical control systems. It integrates a flow switch to monitor water flow and ensure safe chemical dosing only when proper conditions are met. This kit restores accurate monitoring and helps prevent low-flow faults or improper chemical generation.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePool service technicians working on IntelliChem® systems with repeated “No Flow” or flow-switch faults.\u003c\/p\u003e\n\u003cp\u003ePool owners whose salt-chlorination or chemical controller is shutting down due to flow-monitoring failure.\u003c\/p\u003e\n\u003cp\u003eInstallations where the flow-cell assembly is leaking, cracked, or the internal switch is malfunctioning.\u003c\/p\u003e\n\u003cp\u003eFacilities aiming to maintain automation safety and chemical feed reliability with genuine OEM parts.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e engineered specifically for IntelliChem® systems to ensure precise fit and operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Flow Switch:\u003c\/strong\u003e ensures chemical generation only occurs when safe water flow is present, protecting system components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Assembly:\u003c\/strong\u003e designed for vertical mount adjacent to the controller to simplify plumbing and wiring placement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e built for chemical-feed environments and reliable service life under pool conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSimplifies Maintenance:\u003c\/strong\u003e replaces old or failing flow-cell\/switch in one kit to restore system reliability.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e754000310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e788379798338\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFlow cell with flow switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Models\u003c\/td\u003e\n\u003ctd\u003ePentair IntelliChem chemical controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.7 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e12 x 12 x 7.25 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is this flow cell important?\u003c\/strong\u003e\u003cbr\u003eA: The flow cell monitors water movement through the chemical system. If flow drops below safe levels, chemical dosing is stopped. Replacing a faulty cell helps restore accurate flow detection and prevents safety interlock issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this part is needed?\u003c\/strong\u003e\u003cbr\u003eA: If your IntelliChem® controller is showing a persistent “No Flow” or “Flow Switch Fault” message even though plumbing and pump are operating, the flow cell or its integrated switch may be the cause.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this myself?\u003c\/strong\u003e\u003cbr\u003eA: Yes — if you’re comfortable with pool equipment wiring and plumbing. Always shut off power to the control system, relieve pressure, install the assembly vertically as specified, wire the flow-switch terminals, and power back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What conditions cause flow-cell failure?\u003c\/strong\u003e\u003cbr\u003eA: Common causes include scale\/buildup, cracked housing, damaged switch contacts, or low-flow conditions becoming persistent. Replacing the assembly helps restore normal service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fix my chemical controller completely?\u003c\/strong\u003e\u003cbr\u003eA: If the fault was due to flow switch detection, yes. However if other issues exist (salt cell failure, sensor drift, wiring issues), those may need addressing separately.\u003c\/p\u003e\n\u003csection id=\"psd-manuals-sell-sheets\"\u003e\u003ch2\u003eManuals \u0026amp; Sell Sheets\u003c\/h2\u003e\n\u003cp\u003eManufacturer reference documents for this equipment family. Confirm your exact model and production revision before use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/online.flippingbook.com\/view\/895976418\/\" target=\"_blank\" rel=\"noopener\"\u003eSell sheet: Brochure | IntelliChem Water Chemistry Controller - Digital\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/automation\/intellichem\/manuals\/intellichem-water-chemistry-controller-manual-english.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: IntelliChem Water Chemistry Controller Installation and User's Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/automation\/intellichem\/manuals\/AcuTrol_Programmable_Controllers_CO2_Injection_Systems_for_IntelliChem_English.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Acu-Trol Programmable Controllers CO2 Injection Systems for IntelliChem\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/pool-manuals\/intellichem\/Acid_Canister_for_Pool_Water_Chemistry_Controllers_English.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Acid Canister for Pool Water Chemistry Controllers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":51371452006710,"sku":"754000310","price":689.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PEN754000310_0.avif?v=1754340574"},{"product_id":"hayward-heatpro-water-pressure-flow-switch-hpx2181","title":"Hayward HeatPro Water Pressure Flow Switch | HPX2181","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Hayward HPX2181 Water Pressure Flow Switch is a genuine replacement part designed for select Hayward HeatPro and Summit XL heat pumps. This switch monitors water pressure and flow to help ensure the heat pump only operates when adequate water circulation is present.\u003c\/p\u003e\n\u003cp\u003eBy detecting proper water flow before heater operation, the HPX2181 helps protect the heat pump from damage caused by low-flow or no-flow conditions. It is a direct replacement component for compatible Hayward heat pump models and is commonly used during heater service, repair, or maintenance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis replacement switch is ideal for pool owners, service technicians, and maintenance professionals repairing compatible Hayward heat pumps.\u003c\/p\u003e\n\u003cp\u003eHayward HeatPro heat pumps\u003c\/p\u003e\n\u003cp\u003eHayward Summit XL heat pumps\u003c\/p\u003e\n\u003cp\u003eReplacing a failed or worn water pressure flow switch\u003c\/p\u003e\n\u003cp\u003eHeat pump systems showing flow or pressure-related faults\u003c\/p\u003e\n\u003cp\u003ePool equipment service and maintenance\u003c\/p\u003e\n\u003cp\u003eOEM-style replacement repairs\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Hayward Replacement Part:\u003c\/strong\u003e Designed as an OEM replacement component for compatible Hayward heat pump systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater Pressure Flow Monitoring:\u003c\/strong\u003e Helps confirm proper water flow before allowing heat pump operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHelps Protect Heat Pump Components:\u003c\/strong\u003e Prevents operation during low-flow or no-flow conditions that may damage the unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with HeatPro Heat Pumps:\u003c\/strong\u003e Commonly used on Hayward HeatPro heat pump models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with Summit XL Heat Pumps:\u003c\/strong\u003e Also used on select Hayward Summit XL heat pump systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Replacement Design:\u003c\/strong\u003e Made to replace the original pressure switch without unnecessary modification when used on compatible models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService-Friendly Part:\u003c\/strong\u003e Useful for troubleshooting water flow, pressure switch, or heater startup issues.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Hayward HPX2181 helps maintain safe and reliable heat pump operation by verifying adequate water flow before the system runs. A properly working pressure switch can help prevent equipment damage, nuisance shutdowns, and unsafe operation caused by insufficient circulation.\u003c\/p\u003e\n\u003cp\u003eAs a genuine Hayward replacement part, the HPX2181 is designed for fitment and performance with compatible Hayward HeatPro and Summit XL heat pumps. It is a practical replacement part for pool professionals and homeowners maintaining Hayward heat pump systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHayward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWater Pressure Flow Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eHPPHPX2181\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003eHPX2181\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarcode \/ UPC\u003c\/td\u003e\n\u003ctd\u003e0610377807098\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Equipment\u003c\/td\u003e\n\u003ctd\u003eHayward HeatPro and Summit XL heat pumps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eMonitors water pressure \/ flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePool heat pump replacement part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003e1\/2 in. thread listed by some suppliers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprox. Dimensions\u003c\/td\u003e\n\u003ctd\u003e3 in. L x 2 in. W x 1\/2 in. thread depth listed by some suppliers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eReplacement part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.13 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e2.78 x 2.69 x 2.78 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the Hayward HPX2181 used for?\u003c\/strong\u003e\u003cbr\u003eA: The HPX2181 is a water pressure flow switch used on compatible Hayward heat pumps. It helps verify proper water flow before the heat pump operates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a genuine Hayward part?\u003c\/strong\u003e\u003cbr\u003eA: Yes. HPX2181 is listed as a genuine Hayward replacement part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What equipment does this fit?\u003c\/strong\u003e\u003cbr\u003eA: This switch is commonly used with Hayward HeatPro heat pumps and select Hayward Summit XL heat pumps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does a water pressure flow switch do?\u003c\/strong\u003e\u003cbr\u003eA: It monitors water pressure or flow and helps prevent the heat pump from operating when there is not enough circulation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this fix a heat pump flow error?\u003c\/strong\u003e\u003cbr\u003eA: It may help if the existing pressure switch is faulty. Flow errors can also be caused by low water flow, clogged filters, closed valves, pump issues, or other system problems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this part require professional installation?\u003c\/strong\u003e\u003cbr\u003eA: Professional installation is recommended, especially when diagnosing heater or heat pump safety circuits. Always turn off power to the equipment before servicing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this part for gas heaters?\u003c\/strong\u003e\u003cbr\u003eA: No. This part is used for compatible Hayward heat pumps, not Raypak gas heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the barcode included in the specs?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The listed barcode is included near the top and in the specifications table.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52762761101622,"sku":"HPPHPX2181 -H","price":58.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/hayward-heatpro-water-pressure-flow-switch-hpx2181-8182857.jpg?v=1793915347"},{"product_id":"pentair-ak110-pool-and-spa-chemical-controller-top-flow-cell-754001990","title":"Pentair AK110 Pool and Spa Chemical Controller Top, Flow Cell, w\/ flow switch and nylon plugs | 754001990","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair AK110 Pool and Spa Chemical Controller Top, Flow Cell, with Flow Switch and Nylon Plugs | 754001990 is a replacement chemical controller assembly component designed for select Pentair AK110 chemical controller systems.\u003c\/p\u003e\n\u003cp\u003eThis replacement top and flow cell assembly helps restore proper chemical controller flow monitoring and sample water movement through the controller. It includes the flow cell, flow switch, and nylon plugs, making it a practical repair part when the existing flow cell assembly is cracked, worn, leaking, or no longer reading flow correctly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePool service professionals, commercial pool operators, aquatic facilities, and equipment rooms using compatible Pentair AK110 pool and spa chemical controller systems. This part is best used when servicing or repairing the controller’s flow cell area instead of replacing the entire chemical controller system.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eReplacement Flow Cell Assembly:\u003c\/strong\u003e Designed to replace the top and flow cell section on compatible Pentair AK110 chemical controller setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes Flow Switch:\u003c\/strong\u003e The included flow switch helps the controller verify water movement through the flow cell, which is important for proper chemical monitoring and safe controller operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes Nylon Plugs:\u003c\/strong\u003e Comes with nylon plugs needed for the flow cell assembly, helping complete the repair or replacement process.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupports Chemical Controller Operation:\u003c\/strong\u003e The flow cell allows pool water to pass through the controller sensing area so the system can monitor water chemistry through compatible probes and controller components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM-Style Replacement Part:\u003c\/strong\u003e Designed as a direct replacement component for compatible Pentair AK110 chemical controller applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService-Friendly Repair Option:\u003c\/strong\u003e Useful when the controller body or flow cell components are damaged, leaking, or worn, while the rest of the controller system remains usable.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 754001990 replacement top and flow cell assembly helps keep an AK110 chemical controller operating properly by restoring the water sampling area and flow switch function. A damaged or leaking flow cell can prevent accurate chemical monitoring, trigger flow-related errors, or cause the controller to stop feeding chemicals.\u003c\/p\u003e\n\u003cp\u003eReplacing the affected assembly can help extend the life of the existing controller system and reduce downtime for pools that rely on automated chemical control. This is especially important for commercial pools, spas, and high-use facilities where consistent water chemistry is critical.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eChemical Controller Replacement Part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number \/ SKU\u003c\/td\u003e\n\u003ctd\u003e754001990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Description\u003c\/td\u003e\n\u003ctd\u003eAK110 Controller Top, Flow Cell, Flow Switch, and Nylon Plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible System\u003c\/td\u003e\n\u003ctd\u003eSelect Pentair AK110 Pool and Spa Chemical Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eController top, flow cell, flow switch, nylon plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePool and spa chemical controller service\/repair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eReplacement component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfessional Installation\u003c\/td\u003e\n\u003ctd\u003eRecommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e788379799694\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e12 x 12 x 6 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is Pentair part number 754001990?\u003c\/strong\u003e\u003cbr\u003eA: Pentair 754001990 is a replacement AK110 chemical controller top and flow cell assembly with flow switch and nylon plugs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does this part include?\u003c\/strong\u003e\u003cbr\u003eA: It includes the controller top, flow cell, flow switch, and nylon plugs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What system does this fit?\u003c\/strong\u003e\u003cbr\u003eA: It is designed for select Pentair AK110 pool and spa chemical controller systems. Confirm your exact controller model before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When should this part be replaced?\u003c\/strong\u003e\u003cbr\u003eA: Replace it if the flow cell is cracked, leaking, damaged, worn, or if the flow switch assembly is no longer functioning properly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this include chemical probes or sensors?\u003c\/strong\u003e\u003cbr\u003eA: No. This listing is for the top, flow cell, flow switch, and nylon plugs. Chemical probes or sensors are typically sold separately unless specifically stated otherwise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this myself?\u003c\/strong\u003e\u003cbr\u003eA: Installation should be handled by a qualified pool professional, especially because chemical controllers involve water flow, electrical components, chemical feed systems, and sensor calibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this for residential or commercial pools?\u003c\/strong\u003e\u003cbr\u003eA: It may be used anywhere a compatible Pentair AK110 controller is installed, but AK110-style chemical controllers are commonly used in commercial, semi-commercial, and professional pool applications.\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762922352950,"sku":"PEN754001990 -H","price":204.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-ak110-pool-and-spa-chemical-controller-top-flow-cell-w-flow-switch-and-nylon-plugs-754001990-1940806.jpg?v=1793914340"},{"product_id":"raypak-pressure-switch-tube-kit-r185-r405-005392f","title":"Raypak Pressure Switch Tube Kit, R185–R405 | 005392F","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Raypak 005392F Pressure Switch Tube Kit is a genuine Raypak replacement part designed for select Raypak R185, R265, R335, and R405 pool and spa heaters. This tube assembly connects to the heater pressure switch system and helps support proper water pressure sensing during heater operation.\u003c\/p\u003e\n\u003cp\u003eThis replacement kit is commonly used when the original pressure switch tube is cracked, clogged, leaking, damaged, or no longer allowing the pressure switch to read system flow correctly. A properly functioning pressure switch tube is important for safe heater startup, reliable operation, and water-flow protection.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis pressure switch tube kit is ideal for pool heater technicians, service professionals, and pool owners repairing compatible Raypak RP2100-style heater models. It is especially useful during heater troubleshooting when the unit is showing pressure switch, water flow, or heater startup issues.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Raypak Replacement Part:\u003c\/strong\u003e Designed as an OEM Raypak replacement pressure switch tube assembly. Using the correct manufacturer replacement part helps ensure proper fit, dependable operation, and compatibility with the heater’s safety circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits Select R185–R405 Heaters:\u003c\/strong\u003e Commonly listed for Raypak R185, R265, R335, and R405 pool heater models. Compatibility may vary by production date and heater configuration, so the full heater model and parts diagram should be confirmed before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupports Pressure Switch Operation:\u003c\/strong\u003e The pressure switch tube helps the pressure switch sense water pressure or flow conditions inside the heater. Proper pressure switch operation helps prevent the heater from firing without adequate water flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHelps Resolve Flow-Sensing Issues:\u003c\/strong\u003e A damaged or blocked tube can cause pressure switch errors, startup problems, heater lockouts, or unreliable operation. Replacing the tube can help restore proper pressure-sensing function when the tube has been diagnosed as the issue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDurable Replacement Assembly:\u003c\/strong\u003e Built for use in pool heater environments where water, heat, and chemicals can wear down components over time. This replacement tube helps restore the original pressure switch connection path.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Raypak 005392F Pressure Switch Tube Kit helps restore a key safety and sensing function in compatible Raypak heaters. Replacing a worn, clogged, or damaged pressure switch tube can help correct pressure switch faults, improve startup reliability, and support safe heater operation.\u003c\/p\u003e\n\u003cp\u003eThis is a targeted repair part that allows service of the pressure switch sensing system without replacing the full heater. Professional installation is recommended because heater repairs may involve water flow verification, electrical safety circuits, gas operation, and startup testing.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePressure Switch Tube Kit \/ Pressure Switch Tube Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRaypak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRaypak \/ Rheem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Part Number\u003c\/td\u003e\n\u003ctd\u003e005392F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e005392F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistributor Product Number\u003c\/td\u003e\n\u003ctd\u003eRAY-151-3848 \/ 6234-89\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e840891005803\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Heater Series\u003c\/td\u003e\n\u003ctd\u003eRaypak RP2100-style pool and spa heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Compatible Models\u003c\/td\u003e\n\u003ctd\u003eR185, R265, R335, R405\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Listed Compatibility\u003c\/td\u003e\n\u003ctd\u003eB-R185, B-R265, B-R335, B-R405, C-R185, C-R265, C-R335, C-R405 and related EN \/ EP variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eHeater pressure switch sensing tube replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eInternal heater replacement component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Condition\u003c\/td\u003e\n\u003ctd\u003eNew Replacement Part\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProfessional Installation\u003c\/td\u003e\n\u003ctd\u003eRecommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the Raypak 005392F used for?\u003c\/strong\u003e\u003cbr\u003eA: It is a pressure switch tube assembly used on compatible Raypak heaters to help the pressure switch sense water pressure or flow conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which heater models does this fit?\u003c\/strong\u003e\u003cbr\u003eA: It is commonly listed for Raypak R185, R265, R335, and R405 pool heater models, including select B-Series and C-Series variants.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a genuine Raypak part?\u003c\/strong\u003e\u003cbr\u003eA: Yes. 005392F is commonly listed as a genuine Raypak replacement pressure switch tube assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What symptoms can a bad pressure switch tube cause?\u003c\/strong\u003e\u003cbr\u003eA: A damaged, clogged, or leaking tube may cause pressure switch errors, heater startup failure, flow-related shutdowns, or inconsistent heater operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this include the pressure switch?\u003c\/strong\u003e\u003cbr\u003eA: No. This listing is for the pressure switch tube kit \/ tube assembly only unless otherwise specified. The pressure switch itself is a separate part.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fit every Raypak heater from R185 to R405?\u003c\/strong\u003e\u003cbr\u003eA: Not necessarily. Compatibility depends on the exact heater model, production date, and parts diagram. Always confirm the full heater model before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Should this be professionally installed?\u003c\/strong\u003e\u003cbr\u003eA: Professional installation is recommended because the repair may require heater disassembly, pressure switch testing, leak checking, and safe startup verification.\u003c\/p\u003e\n\u003c!--split--\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":52762926907702,"sku":"RAY005392F -H","price":73.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/raypak-pressure-switch-tube-kit-r185-r405-005392f-2944649.jpg?v=1793914149"},{"product_id":"hayward-replacement-flow-switch-w-25-cable-glx-flo-rp-25","title":"Hayward Replacement Flow Switch w\/ 25' Cable | GLX-FLO-RP-25","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eKeep your Hayward\/Goldline salt chlorine generator system operating safely and reliably with the Hayward Goldline Replacement Flow Switch (No Tee) – GLX-FLO-RP. This genuine replacement flow switch verifies adequate water flow before chlorine generation is allowed—helping protect your equipment and support consistent sanitizer output.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePool owners replacing a worn, faulty, or intermittent flow switch\u003c\/p\u003e\n\u003cp\u003eSystems that use a Goldline\/Hayward salt chlorine generator flow switch assembly\u003c\/p\u003e\n\u003cp\u003eInstallations where you need the replacement flow switch only (no tee included)\u003c\/p\u003e\n\u003cp\u003eTroubleshooting issues like “No Flow” alerts, inconsistent readings, or chlorine output stopping unexpectedly\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGenuine replacement flow switch for compatible Hayward\/Goldline salt systems\u003c\/p\u003e\n\u003cp\u003eNo tee included (replacement switch only)\u003c\/p\u003e\n\u003cp\u003eRestores flow detection to help ensure safe chlorine generation\u003c\/p\u003e\n\u003cp\u003eHelps prevent low-flow operation, protecting the cell and system components\u003c\/p\u003e\n\u003cp\u003eDirect-fit replacement for the appropriate compatible setups\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eImproves system safety by confirming proper circulation before chlorination\u003c\/p\u003e\n\u003cp\u003eReduces nuisance “No Flow” interruptions caused by aging sensors\u003c\/p\u003e\n\u003cp\u003eSupports steady chlorine production by maintaining accurate flow feedback\u003c\/p\u003e\n\u003cp\u003eCost-effective repair versus replacing larger assemblies when only the switch is needed\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHayward \/ Goldline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eGLX-FLO-RP-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eReplacement flow switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e761418006342\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e25 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eReplacement flow switch only (no tee)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Shipping)\u003c\/td\u003e\n\u003ctd\u003e3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Shipping)\u003c\/td\u003e\n\u003ctd\u003e12 x 10 x 12 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eNotes for Buyers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm compatibility with your specific salt system\/controller before ordering.\u003c\/li\u003e\n\u003cli\u003eIf your existing setup uses a tee-mounted switch and the tee is damaged, you may need the version that includes the tee\/assembly instead.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does “No Tee” mean?\u003c\/strong\u003e\u003cbr\u003eA: It means this product includes the replacement flow switch only—it does not include the plumbing tee\/fitting that some configurations use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What symptoms indicate I may need to replace my flow switch?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include “No Flow” warnings, chlorine generation stopping even when the pump is running, or intermittent\/erratic flow readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this difficult to install?\u003c\/strong\u003e\u003cbr\u003eA: Installation is generally straightforward for someone comfortable with basic pool equipment service. Always turn off power at the breaker and follow your system’s manual. If you’re unsure, a pool professional can install it quickly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this fix low chlorine output?\u003c\/strong\u003e\u003cbr\u003eA: If low chlorine output is caused by flow switch issues (false “no flow,” misreads, etc.), this replacement can help. If output problems are caused by other factors (cell scaling, water balance, controller settings), additional troubleshooting may be needed.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52762975830326,"sku":"HPPGLXFLORP25 -H","price":159.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/hayward-replacement-flow-switch-w-25-cable-glx-flo-rp-25-2444676.jpg?v=1793914028"},{"product_id":"raypak-direct-mount-pressure-switch-006737f","title":"Raypak Direct Mount Pressure Switch | 006737F","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Raypak 006737F Direct Mount Pressure Switch is a genuine OEM replacement water-pressure safety switch designed for compatible Raypak gas pool and spa heaters. Rated at 1.75 PSI, the switch mounts directly to the heater inlet\/outlet header and monitors water pressure to help verify adequate circulation before heater operation.\u003c\/p\u003e\n\u003cp\u003eWhen sufficient water pressure is present, the switch closes the heater safety circuit and allows the ignition sequence to continue. If adequate pressure or circulation is not detected, the switch helps prevent heater operation, protecting the heat exchanger and other components from potential damage caused by insufficient water flow.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine Raypak OEM Replacement:\u003c\/strong\u003e Factory-authorized pressure switch manufactured for compatible Raypak pool and spa heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1.75 PSI Rating:\u003c\/strong\u003e Designed to activate at the specified water-pressure level required for compatible heater applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Header Mount:\u003c\/strong\u003e Threads directly into the compatible heater inlet\/outlet header without requiring a separate pressure-sensing tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWater-Flow Safety Function:\u003c\/strong\u003e Helps prevent heater operation when adequate water circulation is not present.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBroad Raypak Compatibility:\u003c\/strong\u003e Used across multiple generations of Raypak Digital and legacy gas pool and spa heaters.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGenuine Raypak OEM replacement component\u003c\/p\u003e\n\u003cp\u003eHelps verify proper water circulation before firing\u003c\/p\u003e\n\u003cp\u003eProtects the heater during low-flow conditions\u003c\/p\u003e\n\u003cp\u003eDirect-mount design simplifies installation\u003c\/p\u003e\n\u003cp\u003eHelps restore proper heater safety-circuit operation\u003c\/p\u003e\n\u003cp\u003eCompatible with multiple Raypak heater sizes\u003c\/p\u003e\n\u003cp\u003eAllows pressure-switch replacement without replacing the complete header\u003c\/p\u003e\n\u003cp\u003eIdeal for professional heater diagnosis and repair\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRaypak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWater Pressure Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number \/ SKU\u003c\/td\u003e\n\u003ctd\u003e006737F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e840891003977\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Rating\u003c\/td\u003e\n\u003ctd\u003e1.75 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDirect Mount to Heater Header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Function\u003c\/td\u003e\n\u003ctd\u003eWater Pressure \/ Flow Verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLegacy Compatibility\u003c\/td\u003e\n\u003ctd\u003eR185A, R265A, R335A, R405A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Atmospheric Compatibility\u003c\/td\u003e\n\u003ctd\u003e206A, 266A, 336A, 406A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGas Pool \u0026amp; Spa Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e0.1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e2 x 2.5 x 2.75 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Sell Quantity\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eSubject to Current Raypak Replacement-Part Warranty Terms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003e\u003cstrong\u003eWarranty \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 006737F mounts directly into the compatible heater inlet\/outlet header.\u003c\/p\u003e\n\u003cp\u003eBefore servicing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect electrical power to the heater\u003c\/li\u003e\n\u003cli\u003eShut off the gas supply\u003c\/li\u003e\n\u003cli\u003eTurn off the circulation pump\u003c\/li\u003e\n\u003cli\u003eAllow the heater to cool completely\u003c\/li\u003e\n\u003cli\u003eRelieve water pressure as required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDisconnect the pressure-switch wires before removing the existing switch. Inspect the header threads, wiring terminals, connectors, and surrounding components for corrosion or damage before installing the replacement.\u003c\/p\u003e\n\u003cp\u003eInstallation and heater diagnosis should be performed by a qualified pool-heater service professional.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eConfirm Before Ordering\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRaypak 006737F is a 1.75 PSI direct-mount pressure switch used with multiple compatible Raypak heater generations, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR185A\u003c\/li\u003e\n\u003cli\u003eR265A\u003c\/li\u003e\n\u003cli\u003eR335A\u003c\/li\u003e\n\u003cli\u003eR405A\u003c\/li\u003e\n\u003cli\u003e206A\u003c\/li\u003e\n\u003cli\u003e266A\u003c\/li\u003e\n\u003cli\u003e336A\u003c\/li\u003e\n\u003cli\u003e406A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRaypak has used different pressure switches in certain heater configurations and special installations. Confirm the heater model, serial number, existing switch part number, and required pressure setting before ordering.\u003c\/p\u003e\n\u003cp\u003eDo not confuse 006737F with higher-pressure Raypak switches such as the 11 PSI pressure switch used in certain special applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWarranty Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Raypak 006737F is a genuine factory-authorized replacement component. Warranty coverage is subject to Raypak's current replacement-part warranty terms, installation requirements, purchase channel, and proof of purchase.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCustomer-Facing Q\u0026amp;A\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What pressure is the Raypak 006737F rated for?\u003c\/strong\u003e\u003cbr\u003eA: The switch is rated at 1.75 PSI.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the pressure switch do?\u003c\/strong\u003e\u003cbr\u003eA: It verifies adequate water pressure and circulation through the heater before allowing the heater safety circuit to proceed with operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it mount directly to the heater?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 006737F mounts directly to the compatible inlet\/outlet header.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it fit Raypak 206A through 406A heaters?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Raypak lists the 006737F for compatible 206A, 266A, 336A, and 406A heaters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it also fit older Raypak heaters?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It is also used with compatible legacy models including R185A, R265A, R335A, and R405A.\u003c\/p\u003e\n\u003csection id=\"psd-manuals-sell-sheets\"\u003e\u003ch2\u003eManuals \u0026amp; Sell Sheets\u003c\/h2\u003e\n\u003cp\u003eManufacturer equipment references for an OEM part listed in the factory parts chart. Confirm your equipment model and production revision before use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/AWSProd\/sites\/raypakcom\/documents\/6000.75.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSell sheet: Digital Low NOx ASME 207A–407A — Digital heater brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/AWSProd\/sites\/raypakcom\/documents\/241236.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Digital Atmospheric 206A–406A — Installation and operation manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/AWSProd\/sites\/raypakcom\/documents\/241793.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Digital Low NOx ASME 207A–407A — Installation and operation manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":54427813019958,"sku":"006737F","price":67.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/raypak-direct-mount-pressure-switch-006737f-3015285.webp?v=1793910548"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/collections\/pentair-mastertemp-sta-rite-pool-heater-high-limit-switch-42001-0063s.jpg?v=1793909969","url":"https:\/\/poolsupplydepot.net\/collections\/pool-heater-pressure-flow-limit-switches.oembed","provider":"Pool Supply Depot","version":"1.0","type":"link"}