{"product_id":"pentairgasorificekit400knagasorficekitnatural400btumastertempmodel777070411pen777070411","title":"Pentair MasterTemp 400K Natural Gas Orifice Kit | 77707-0411","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Pentair 77707-0411 is a genuine OEM gas orifice kit for Model 400 (400,000 BTU) natural gas pool and spa heaters, such as the Pentair MasterTemp 400. The orifice meters natural gas flow to the burner, so it must match the heater's fuel type and BTU size. Use it to service the gas train on a 400K natural gas heater or to convert a 400K propane heater back to natural gas.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e⚠️ Important Purchase Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is a gas-train component. Gas conversion and gas-train service must be performed by a qualified gas appliance technician following Pentair's instructions and local fuel-gas codes. Inspect the shipment upon arrival and report damage promptly.\u003c\/p\u003e\n\u003cp\u003eWARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eIdeal For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eServicing the gas train on a Model 400 natural gas heater.\u003c\/li\u003e\n\u003cli\u003eConverting a 400K propane heater back to natural gas.\u003c\/li\u003e\n\u003cli\u003eReplacing a damaged or incorrect orifice.\u003c\/li\u003e\n\u003cli\u003ePool heater service technicians.\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 77707-0411.\u003c\/li\u003e\n\u003cli\u003eNatural gas orifice sized for 400,000 BTU heaters.\u003c\/li\u003e\n\u003cli\u003eBrass orifice with sealing O-ring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCorrect gas flow for clean, efficient natural gas combustion.\u003c\/li\u003e\n\u003cli\u003eOEM fit for a straightforward repair or conversion.\u003c\/li\u003e\n\u003cli\u003eHelps restore reliable ignition and full heating output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor Model 400 (400K BTU) natural gas pool and spa heaters, such as the Pentair MasterTemp 400. Propane heaters and other BTU sizes use different orifices (the 400K propane orifice is 77707-0441). Confirm your heater's model number, BTU rating and fuel type from the rating plate before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation or Upgrade Context\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eShut off gas and electrical power before service. Replace the orifice following Pentair's instructions, then leak-test all gas connections and verify proper gas pressure and combustion on startup.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne natural gas orifice with O-ring for 400K heaters\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\u003eGas orifice kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU \/ Model\u003c\/td\u003e\n\u003ctd\u003e77707-0411\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eNatural gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater Size\u003c\/td\u003e\n\u003ctd\u003e400,000 BTU (Model 400)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePool and spa heaters; residential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e12 x 7 x 5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e0.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e60 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd\u003e022315322202\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 a 60-day 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\u003eModel 400 (400K BTU) natural gas heaters, such as the Pentair MasterTemp 400.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work on a propane heater?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It's the natural gas orifice. The 400K propane orifice is 77707-0441.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGas-train work should be done by a qualified gas appliance technician.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762364117302,"sku":"PEN777070411 -H","price":57.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/pentair-mastertemp-400k-natural-gas-orifice-kit-77707-0411-9582699.jpg?v=1793989859","url":"https:\/\/poolsupplydepot.net\/products\/pentairgasorificekit400knagasorficekitnatural400btumastertempmodel777070411pen777070411","provider":"Pool Supply Depot","version":"1.0","type":"link"}