{"product_id":"pentair-sta-rite-max-e-therm-400-high-performance-pool-and-spa-sr400lp","title":"Sta-Rite Max-E-Therm 400 High Performance Pool \u0026 Spa Heater, Propane Gas, 400K BTU, 120\/240 VAC, 60 Hz | SR400LP","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"632\" data-end=\"653\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"654\" data-end=\"989\"\u003eThe \u003cstrong data-start=\"658\" data-end=\"714\"\u003eSta-Rite Max-E-Therm 400 Pool \u0026amp; Spa Heater | SR400LP\u003c\/strong\u003e is a high-performance propane gas heater designed for fast, efficient heating in residential pool and spa applications. With a powerful \u003cstrong data-start=\"851\" data-end=\"872\"\u003e400,000 BTU input\u003c\/strong\u003e, this heater is ideal for larger pools, spas, and pool\/spa combination systems that need quick temperature recovery.\u003c\/p\u003e\n\u003cp data-start=\"991\" data-end=\"1310\"\u003eThe Max-E-Therm series is known for its lightweight, compact design and durable \u003cstrong data-start=\"1071\" data-end=\"1105\"\u003eDura-Glas® rustproof enclosure\u003c\/strong\u003e, which helps protect the heater from outdoor conditions. Its digital controls, LED temperature readout, dual thermostat controls, and temperature safety lockout make operation straightforward and precise.\u003c\/p\u003e\n\u003cp data-start=\"1312\" data-end=\"1487\"\u003eDesigned for \u003cstrong data-start=\"1325\" data-end=\"1340\"\u003epropane gas\u003c\/strong\u003e, \u003cstrong data-start=\"1342\" data-end=\"1376\"\u003e120\/240 VAC electrical service\u003c\/strong\u003e, and \u003cstrong data-start=\"1382\" data-end=\"1391\"\u003e60 Hz\u003c\/strong\u003e operation, the SR400LP delivers dependable heating performance in a professional-grade package.\u003c\/p\u003e\n\u003chr data-start=\"1489\" data-end=\"1492\"\u003e\n\u003ch2 data-section-id=\"4fdhx7\" data-start=\"1494\" data-end=\"1508\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-start=\"1509\" data-end=\"1915\"\u003e\n\u003cli data-section-id=\"hcxg5z\" data-start=\"1509\" data-end=\"1539\"\u003eResidential inground pools\u003c\/li\u003e\n\u003cli data-section-id=\"161auk2\" data-start=\"1540\" data-end=\"1576\"\u003ePool and spa combination systems\u003c\/li\u003e\n\u003cli data-section-id=\"1ey9rdf\" data-start=\"1577\" data-end=\"1610\"\u003eFast spa heat-up applications\u003c\/li\u003e\n\u003cli data-section-id=\"bkjt2w\" data-start=\"1611\" data-end=\"1647\"\u003ePropane gas pool heating systems\u003c\/li\u003e\n\u003cli data-section-id=\"1qiu26c\" data-start=\"1648\" data-end=\"1684\"\u003eReplacing older gas pool heaters\u003c\/li\u003e\n\u003cli data-section-id=\"lxlork\" data-start=\"1685\" data-end=\"1716\"\u003eOutdoor pool equipment pads\u003c\/li\u003e\n\u003cli data-section-id=\"hk6czg\" data-start=\"1717\" data-end=\"1770\"\u003eApproved indoor installations with proper venting\u003c\/li\u003e\n\u003cli data-section-id=\"upwasl\" data-start=\"1771\" data-end=\"1818\"\u003eCustomers needing 400K BTU heating capacity\u003c\/li\u003e\n\u003cli data-section-id=\"1vsmawh\" data-start=\"1819\" data-end=\"1872\"\u003ePool owners wanting a compact, lightweight heater\u003c\/li\u003e\n\u003cli data-section-id=\"1euinj3\" data-start=\"1873\" data-end=\"1915\"\u003eProfessional pool heater installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1917\" data-end=\"1920\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"1922\" data-end=\"1939\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1940\" data-end=\"3077\"\u003e\n\u003cli data-section-id=\"eiy8tr\" data-start=\"1940\" data-end=\"2013\"\u003e\n\u003cstrong data-start=\"1942\" data-end=\"1963\"\u003e400,000 BTU input\u003c\/strong\u003e — delivers powerful heating for pools and spas.\u003c\/li\u003e\n\u003cli data-section-id=\"gy4o3t\" data-start=\"2014\" data-end=\"2101\"\u003e\n\u003cstrong data-start=\"2016\" data-end=\"2041\"\u003ePropane gas operation\u003c\/strong\u003e — designed for homes and properties using LP gas service.\u003c\/li\u003e\n\u003cli data-section-id=\"1kqu6az\" data-start=\"2102\" data-end=\"2196\"\u003e\n\u003cstrong data-start=\"2104\" data-end=\"2143\"\u003eHigh-performance Max-E-Therm design\u003c\/strong\u003e — built for fast heat-up and dependable operation.\u003c\/li\u003e\n\u003cli data-section-id=\"m1hrvu\" data-start=\"2197\" data-end=\"2286\"\u003e\n\u003cstrong data-start=\"2199\" data-end=\"2224\"\u003eDigital control panel\u003c\/strong\u003e — provides clear temperature adjustment and system control.\u003c\/li\u003e\n\u003cli data-section-id=\"d4rq4l\" data-start=\"2287\" data-end=\"2370\"\u003e\n\u003cstrong data-start=\"2289\" data-end=\"2316\"\u003eLED temperature readout\u003c\/strong\u003e — makes pool and spa temperature monitoring simple.\u003c\/li\u003e\n\u003cli data-section-id=\"17j35yt\" data-start=\"2371\" data-end=\"2481\"\u003e\n\u003cstrong data-start=\"2373\" data-end=\"2401\"\u003eDual thermostat controls\u003c\/strong\u003e — allows separate pool and spa temperature settings when properly configured.\u003c\/li\u003e\n\u003cli data-section-id=\"3e85nx\" data-start=\"2482\" data-end=\"2580\"\u003e\n\u003cstrong data-start=\"2484\" data-end=\"2514\"\u003eTemperature safety lockout\u003c\/strong\u003e — helps prevent unauthorized or accidental temperature changes.\u003c\/li\u003e\n\u003cli data-section-id=\"h0sisc\" data-start=\"2581\" data-end=\"2663\"\u003e\n\u003cstrong data-start=\"2583\" data-end=\"2604\"\u003eLow NOx operation\u003c\/strong\u003e — designed for cleaner combustion and reduced emissions.\u003c\/li\u003e\n\u003cli data-section-id=\"8qzcio\" data-start=\"2664\" data-end=\"2771\"\u003e\n\u003cstrong data-start=\"2666\" data-end=\"2700\"\u003eDura-Glas® rustproof enclosure\u003c\/strong\u003e — durable, weather-resistant cabinet built for outdoor environments.\u003c\/li\u003e\n\u003cli data-section-id=\"18l1o7x\" data-start=\"2772\" data-end=\"2867\"\u003e\n\u003cstrong data-start=\"2774\" data-end=\"2799\"\u003ePMG burner technology\u003c\/strong\u003e — supports efficient combustion and reliable heating performance.\u003c\/li\u003e\n\u003cli data-section-id=\"bbqtwf\" data-start=\"2868\" data-end=\"2978\"\u003e\n\u003cstrong data-start=\"2870\" data-end=\"2909\"\u003eIndoor\/outdoor installation capable\u003c\/strong\u003e — approved applications must follow venting and code requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"he68gk\" data-start=\"2979\" data-end=\"3077\"\u003e\n\u003cstrong data-start=\"2981\" data-end=\"3010\"\u003e120\/240 VAC compatibility\u003c\/strong\u003e — supports standard pool heater electrical installation options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3079\" data-end=\"3082\"\u003e\n\u003ch2 data-section-id=\"33fg5d\" data-start=\"3084\" data-end=\"3097\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"3098\" data-end=\"3318\"\u003eThe Sta-Rite SR400LP Max-E-Therm heater gives pool and spa owners strong heating power in a compact, lightweight design. Its 400K BTU rating helps reduce wait time when heating a spa or bringing a pool up to temperature.\u003c\/p\u003e\n\u003cp data-start=\"3320\" data-end=\"3566\"\u003eThe Dura-Glas enclosure resists rust and outdoor wear, making it a strong choice for equipment pad installations. Digital controls make operation simple, while the dual thermostat system allows more convenient pool and spa temperature management.\u003c\/p\u003e\n\u003cp data-start=\"3568\" data-end=\"3748\"\u003eFor customers who need a propane heater with fast recovery, professional-grade construction, and trusted Sta-Rite\/Pentair engineering, the SR400LP is a reliable high-output option.\u003c\/p\u003e\n\u003chr data-start=\"3750\" data-end=\"3753\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"3755\" data-end=\"3774\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3776\" data-end=\"5525\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3776\" data-end=\"3803\"\u003e\n\u003ctr data-start=\"3776\" data-end=\"3803\"\u003e\n\u003cth data-start=\"3776\" data-end=\"3792\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3792\" data-end=\"3803\" data-col-size=\"md\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3814\" data-end=\"5525\"\u003e\n\u003ctr data-start=\"3814\" data-end=\"3892\"\u003e\n\u003ctd data-start=\"3814\" data-end=\"3829\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-start=\"3829\" data-end=\"3892\" data-col-size=\"md\"\u003eSta-Rite Max-E-Therm 400 High Performance Pool \u0026amp; Spa Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3893\" data-end=\"3913\"\u003e\n\u003ctd data-start=\"3893\" data-end=\"3901\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"3901\" data-end=\"3913\" data-col-size=\"md\"\u003eSta-Rite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3914\" data-end=\"3951\"\u003e\n\u003ctd data-start=\"3914\" data-end=\"3929\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-start=\"3929\" data-end=\"3951\" data-col-size=\"md\"\u003ePentair \/ Sta-Rite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3952\" data-end=\"3976\"\u003e\n\u003ctd data-start=\"3952\" data-end=\"3961\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"3961\" data-end=\"3976\" data-col-size=\"md\"\u003eMax-E-Therm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3977\" data-end=\"4002\"\u003e\n\u003ctd data-start=\"3977\" data-end=\"3991\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"3991\" data-end=\"4002\" data-col-size=\"md\"\u003eSR400LP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4003\" data-end=\"4020\"\u003e\n\u003ctd data-start=\"4003\" data-end=\"4009\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"4009\" data-end=\"4020\" data-col-size=\"md\"\u003eSR400LP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4021\" data-end=\"4043\"\u003e\n\u003ctd data-start=\"4021\" data-end=\"4027\" data-col-size=\"sm\"\u003eUPC\u003c\/td\u003e\n\u003ctd data-start=\"4027\" data-end=\"4043\" data-col-size=\"md\"\u003e022315208278\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4044\" data-end=\"4086\"\u003e\n\u003ctd data-start=\"4044\" data-end=\"4059\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"4059\" data-end=\"4086\" data-col-size=\"md\"\u003ePool and spa gas heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4087\" data-end=\"4136\"\u003e\n\u003ctd data-start=\"4087\" data-end=\"4101\" data-col-size=\"sm\"\u003eHeater Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4101\" data-end=\"4136\"\u003eHigh-performance Low NOx heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4137\" data-end=\"4173\"\u003e\n\u003ctd data-start=\"4137\" data-end=\"4149\" data-col-size=\"sm\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd data-start=\"4149\" data-end=\"4173\" data-col-size=\"md\"\u003ePropane gas \/ LP gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4174\" data-end=\"4201\"\u003e\n\u003ctd data-start=\"4174\" data-end=\"4186\" data-col-size=\"sm\"\u003eBTU Input\u003c\/td\u003e\n\u003ctd data-start=\"4186\" data-end=\"4201\" data-col-size=\"md\"\u003e400,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4202\" data-end=\"4227\"\u003e\n\u003ctd data-start=\"4202\" data-end=\"4212\" data-col-size=\"sm\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-start=\"4212\" data-end=\"4227\" data-col-size=\"md\"\u003e120\/240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4228\" data-end=\"4249\"\u003e\n\u003ctd data-start=\"4228\" data-end=\"4240\" data-col-size=\"sm\"\u003eFrequency\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4240\" data-end=\"4249\"\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4250\" data-end=\"4274\"\u003e\n\u003ctd data-start=\"4250\" data-end=\"4258\" data-col-size=\"sm\"\u003ePhase\u003c\/td\u003e\n\u003ctd data-start=\"4258\" data-end=\"4274\" data-col-size=\"md\"\u003eSingle phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4275\" data-end=\"4314\"\u003e\n\u003ctd data-start=\"4275\" data-end=\"4291\" data-col-size=\"sm\"\u003eIgnition Type\u003c\/td\u003e\n\u003ctd data-start=\"4291\" data-end=\"4314\" data-col-size=\"md\"\u003eElectronic ignition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4315\" data-end=\"4350\"\u003e\n\u003ctd data-start=\"4315\" data-end=\"4330\" data-col-size=\"sm\"\u003eControl Type\u003c\/td\u003e\n\u003ctd data-start=\"4330\" data-end=\"4350\" data-col-size=\"md\"\u003eDigital controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4351\" data-end=\"4400\"\u003e\n\u003ctd data-start=\"4351\" data-end=\"4373\" data-col-size=\"sm\"\u003eTemperature Display\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4373\" data-end=\"4400\"\u003eLED temperature readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4401\" data-end=\"4451\"\u003e\n\u003ctd data-start=\"4401\" data-end=\"4423\" data-col-size=\"sm\"\u003eThermostat Controls\u003c\/td\u003e\n\u003ctd data-start=\"4423\" data-end=\"4451\" data-col-size=\"md\"\u003eDual thermostat controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4452\" data-end=\"4499\"\u003e\n\u003ctd data-start=\"4452\" data-end=\"4469\" data-col-size=\"sm\"\u003eSafety Feature\u003c\/td\u003e\n\u003ctd data-start=\"4469\" data-end=\"4499\" data-col-size=\"md\"\u003eTemperature safety lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4500\" data-end=\"4540\"\u003e\n\u003ctd data-start=\"4500\" data-end=\"4521\" data-col-size=\"sm\"\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4521\" data-end=\"4540\"\u003eApprox. 84%–85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4541\" data-end=\"4568\"\u003e\n\u003ctd data-start=\"4541\" data-end=\"4561\" data-col-size=\"sm\"\u003eLow NOx Certified\u003c\/td\u003e\n\u003ctd data-start=\"4561\" data-end=\"4568\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4569\" data-end=\"4599\"\u003e\n\u003ctd data-start=\"4569\" data-end=\"4589\" data-col-size=\"sm\"\u003eMinimum Flow Rate\u003c\/td\u003e\n\u003ctd data-start=\"4589\" data-end=\"4599\" data-col-size=\"md\"\u003e40 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4600\" data-end=\"4631\"\u003e\n\u003ctd data-start=\"4600\" data-end=\"4620\" data-col-size=\"sm\"\u003eMaximum Flow Rate\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4620\" data-end=\"4631\"\u003e120 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4632\" data-end=\"4683\"\u003e\n\u003ctd data-start=\"4632\" data-end=\"4656\" data-col-size=\"sm\"\u003eWater Connection Size\u003c\/td\u003e\n\u003ctd data-start=\"4656\" data-end=\"4683\" data-col-size=\"md\"\u003e2\" plumbing connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4684\" data-end=\"4743\"\u003e\n\u003ctd data-start=\"4684\" data-end=\"4713\" data-col-size=\"sm\"\u003eHeader \/ Manifold Material\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4713\" data-end=\"4743\"\u003ePolymer \/ plastic manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4744\" data-end=\"4780\"\u003e\n\u003ctd data-start=\"4744\" data-end=\"4770\" data-col-size=\"sm\"\u003eHeat Exchanger Material\u003c\/td\u003e\n\u003ctd data-start=\"4770\" data-end=\"4780\" data-col-size=\"md\"\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4781\" data-end=\"4836\"\u003e\n\u003ctd data-start=\"4781\" data-end=\"4802\" data-col-size=\"sm\"\u003eEnclosure Material\u003c\/td\u003e\n\u003ctd data-start=\"4802\" data-end=\"4836\" data-col-size=\"md\"\u003eDura-Glas® composite enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4837\" data-end=\"4908\"\u003e\n\u003ctd data-start=\"4837\" data-end=\"4867\" data-col-size=\"sm\"\u003eCabinet \/ Enclosure Feature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4867\" data-end=\"4908\"\u003eRustproof weather-resistant enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4909\" data-end=\"4983\"\u003e\n\u003ctd data-start=\"4909\" data-end=\"4933\" data-col-size=\"sm\"\u003eInstallation Location\u003c\/td\u003e\n\u003ctd data-start=\"4933\" data-end=\"4983\" data-col-size=\"md\"\u003eOutdoor or properly vented indoor installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4984\" data-end=\"5022\"\u003e\n\u003ctd data-start=\"4984\" data-end=\"4998\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4998\" data-end=\"5022\"\u003ePool and spa heating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5023\" data-end=\"5080\"\u003e\n\u003ctd data-start=\"5023\" data-end=\"5035\" data-col-size=\"sm\"\u003ePool Type\u003c\/td\u003e\n\u003ctd data-start=\"5035\" data-end=\"5080\" data-col-size=\"md\"\u003eResidential inground pool and spa systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5081\" data-end=\"5115\"\u003e\n\u003ctd data-start=\"5081\" data-end=\"5097\" data-col-size=\"sm\"\u003eCabinet Width\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5097\" data-end=\"5115\"\u003eApprox. 25.15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5116\" data-end=\"5150\"\u003e\n\u003ctd data-start=\"5116\" data-end=\"5132\" data-col-size=\"sm\"\u003eCabinet Depth\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5132\" data-end=\"5150\"\u003eApprox. 31.69\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5151\" data-end=\"5186\"\u003e\n\u003ctd data-start=\"5151\" data-end=\"5168\" data-col-size=\"sm\"\u003eCabinet Height\u003c\/td\u003e\n\u003ctd data-start=\"5168\" data-end=\"5186\" data-col-size=\"md\"\u003eApprox. 30.03\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5187\" data-end=\"5218\"\u003e\n\u003ctd data-start=\"5187\" data-end=\"5203\" data-col-size=\"sm\"\u003eProduct Depth\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5203\" data-end=\"5218\"\u003eApprox. 30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5219\" data-end=\"5254\"\u003e\n\u003ctd data-start=\"5219\" data-end=\"5236\" data-col-size=\"sm\"\u003eProduct Weight\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5236\" data-end=\"5254\"\u003eApprox. 138 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5255\" data-end=\"5298\"\u003e\n\u003ctd data-start=\"5255\" data-end=\"5280\" data-col-size=\"sm\"\u003eShipping \/ Each Weight\u003c\/td\u003e\n\u003ctd data-start=\"5280\" data-end=\"5298\" data-col-size=\"md\"\u003eApprox. 138 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5299\" data-end=\"5340\"\u003e\n\u003ctd data-start=\"5299\" data-end=\"5323\" data-col-size=\"sm\"\u003eStandards \/ Approvals\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5323\" data-end=\"5340\"\u003eCSA Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5341\" data-end=\"5420\"\u003e\n\u003ctd data-start=\"5341\" data-end=\"5352\" data-col-size=\"sm\"\u003eWarranty\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5352\" data-end=\"5420\"\u003eManufacturer warranty applies; verify terms by installation type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5421\" data-end=\"5458\"\u003e\n\u003ctd data-start=\"5421\" data-end=\"5442\" data-col-size=\"sm\"\u003eEquipment Category\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5442\" data-end=\"5458\"\u003ePool heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5459\" data-end=\"5506\"\u003e\n\u003ctd data-start=\"5459\" data-end=\"5499\" data-col-size=\"sm\"\u003eProfessional Installation Recommended\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"5499\" data-end=\"5506\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5507\" data-end=\"5525\"\u003e\n\u003ctd data-start=\"5507\" data-end=\"5517\" data-col-size=\"sm\"\u003eSold As\u003c\/td\u003e\n\u003ctd data-start=\"5517\" data-end=\"5525\" data-col-size=\"md\"\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"5527\" data-end=\"5530\"\u003e\n\u003ch2 data-section-id=\"czfsbl\" data-start=\"5532\" data-end=\"5556\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul data-start=\"5557\" data-end=\"5884\"\u003e\n\u003cli data-section-id=\"19sdnop\" data-start=\"5557\" data-end=\"5625\"\u003e1 × Sta-Rite Max-E-Therm SR400LP propane gas pool and spa heater\u003c\/li\u003e\n\u003cli data-section-id=\"sbqwk\" data-start=\"5626\" data-end=\"5662\"\u003eIntegrated digital control panel\u003c\/li\u003e\n\u003cli data-section-id=\"19ufw2i\" data-start=\"5663\" data-end=\"5693\"\u003eElectronic ignition system\u003c\/li\u003e\n\u003cli data-section-id=\"726nyj\" data-start=\"5694\" data-end=\"5724\"\u003eDura-Glas heater enclosure\u003c\/li\u003e\n\u003cli data-section-id=\"1olb9y4\" data-start=\"5725\" data-end=\"5763\"\u003ePolymer manifold \/ header assembly\u003c\/li\u003e\n\u003cli data-section-id=\"19ikta7\" data-start=\"5764\" data-end=\"5831\"\u003e2\" water connection components, depending on supplier packaging\u003c\/li\u003e\n\u003cli data-section-id=\"hpnzjy\" data-start=\"5832\" data-end=\"5884\"\u003eManufacturer-supplied installation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5886\" data-end=\"6121\"\u003e\u003cem data-start=\"5886\" data-end=\"6121\"\u003ePropane gas line, gas regulator, shutoff valve, electrical wiring, bonding materials, venting components, plumbing valves, unions, check valves, and installation labor are sold separately unless specifically included by the supplier.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"6123\" data-end=\"6126\"\u003e\n\u003ch2 data-section-id=\"1hui92y\" data-start=\"6128\" data-end=\"6151\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"6152\" data-end=\"6491\"\u003eThis heater should be installed by a qualified pool professional, licensed gas technician, or licensed contractor as required by local code. Proper installation requires correct propane gas supply sizing, electrical wiring, bonding, grounding, water flow, plumbing layout, combustion air, venting if installed indoors, and startup testing.\u003c\/p\u003e\n\u003cp data-start=\"6493\" data-end=\"6707\"\u003eBefore installation, confirm that the fuel type is \u003cstrong data-start=\"6544\" data-end=\"6559\"\u003epropane gas\u003c\/strong\u003e, the pool system can provide the required \u003cstrong data-start=\"6602\" data-end=\"6616\"\u003e40–120 GPM\u003c\/strong\u003e flow range, and the electrical supply is compatible with \u003cstrong data-start=\"6674\" data-end=\"6696\"\u003e120\/240 VAC, 60 Hz\u003c\/strong\u003e operation.\u003c\/p\u003e\n\u003cp data-start=\"6709\" data-end=\"6925\"\u003eHeaters may require factory modification or special setup for high-altitude installations. Always maintain water chemistry within recommended ranges to help protect the heat exchanger and preserve heater performance.\u003c\/p\u003e\n\u003chr data-start=\"6927\" data-end=\"6930\"\u003e\n\u003ch2 data-section-id=\"w1k9cu\" data-start=\"6932\" data-end=\"6956\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-start=\"6958\" data-end=\"7082\"\u003e\u003cstrong data-start=\"6958\" data-end=\"6994\"\u003eQ: What is the Sta-Rite SR400LP?\u003c\/strong\u003e\u003cbr data-start=\"6994\" data-end=\"6997\"\u003eA: It is a Sta-Rite Max-E-Therm propane gas pool and spa heater rated at 400,000 BTU.\u003c\/p\u003e\n\u003cp data-start=\"7084\" data-end=\"7136\"\u003e\u003cstrong data-start=\"7084\" data-end=\"7107\"\u003eQ: What is the SKU?\u003c\/strong\u003e\u003cbr data-start=\"7107\" data-end=\"7110\"\u003eA: The SKU is \u003cstrong data-start=\"7124\" data-end=\"7135\"\u003eSR400LP\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7138\" data-end=\"7195\"\u003e\u003cstrong data-start=\"7138\" data-end=\"7161\"\u003eQ: What is the UPC?\u003c\/strong\u003e\u003cbr data-start=\"7161\" data-end=\"7164\"\u003eA: The UPC is \u003cstrong data-start=\"7178\" data-end=\"7194\"\u003e022315208278\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7197\" data-end=\"7287\"\u003e\u003cstrong data-start=\"7197\" data-end=\"7240\"\u003eQ: What fuel type does this heater use?\u003c\/strong\u003e\u003cbr data-start=\"7240\" data-end=\"7243\"\u003eA: This model uses \u003cstrong data-start=\"7262\" data-end=\"7286\"\u003epropane gas \/ LP gas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7289\" data-end=\"7368\"\u003e\u003cstrong data-start=\"7289\" data-end=\"7325\"\u003eQ: How many BTUs is this heater?\u003c\/strong\u003e\u003cbr data-start=\"7325\" data-end=\"7328\"\u003eA: It is rated at \u003cstrong data-start=\"7346\" data-end=\"7367\"\u003e400,000 BTU input\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7370\" data-end=\"7482\"\u003e\u003cstrong data-start=\"7370\" data-end=\"7406\"\u003eQ: What voltage does it require?\u003c\/strong\u003e\u003cbr data-start=\"7406\" data-end=\"7409\"\u003eA: This heater is designed for \u003cstrong data-start=\"7440\" data-end=\"7462\"\u003e120\/240 VAC, 60 Hz\u003c\/strong\u003e electrical service.\u003c\/p\u003e\n\u003cp data-start=\"7484\" data-end=\"7606\"\u003e\u003cstrong data-start=\"7484\" data-end=\"7520\"\u003eQ: Is this a natural gas heater?\u003c\/strong\u003e\u003cbr data-start=\"7520\" data-end=\"7523\"\u003eA: No. This model is propane gas. Natural gas versions use different model numbers.\u003c\/p\u003e\n\u003cp data-start=\"7608\" data-end=\"7707\"\u003e\u003cstrong data-start=\"7608\" data-end=\"7640\"\u003eQ: Is this a Low NOx heater?\u003c\/strong\u003e\u003cbr data-start=\"7640\" data-end=\"7643\"\u003eA: Yes. The Max-E-Therm SR400LP is designed as a Low NOx heater.\u003c\/p\u003e\n\u003cp data-start=\"7709\" data-end=\"7802\"\u003e\u003cstrong data-start=\"7709\" data-end=\"7752\"\u003eQ: What is the heat exchanger material?\u003c\/strong\u003e\u003cbr data-start=\"7752\" data-end=\"7755\"\u003eA: This model uses a \u003cstrong data-start=\"7776\" data-end=\"7801\"\u003ecopper heat exchanger\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7804\" data-end=\"7890\"\u003e\u003cstrong data-start=\"7804\" data-end=\"7851\"\u003eQ: What size water connections does it use?\u003c\/strong\u003e\u003cbr data-start=\"7851\" data-end=\"7854\"\u003eA: It uses \u003cstrong data-start=\"7865\" data-end=\"7889\"\u003e2\" water connections\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7892\" data-end=\"7991\"\u003e\u003cstrong data-start=\"7892\" data-end=\"7931\"\u003eQ: What is the required flow range?\u003c\/strong\u003e\u003cbr data-start=\"7931\" data-end=\"7934\"\u003eA: The listed flow range is approximately \u003cstrong data-start=\"7976\" data-end=\"7990\"\u003e40–120 GPM\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7993\" data-end=\"8152\"\u003e\u003cstrong data-start=\"7993\" data-end=\"8030\"\u003eQ: Can this be installed indoors?\u003c\/strong\u003e\u003cbr data-start=\"8030\" data-end=\"8033\"\u003eA: It may be installed indoors only when properly vented and installed according to code and manufacturer requirements.\u003c\/p\u003e\n\u003cp data-start=\"8154\" data-end=\"8358\"\u003e\u003cstrong data-start=\"8154\" data-end=\"8208\"\u003eQ: Should this heater be professionally installed?\u003c\/strong\u003e\u003cbr data-start=\"8208\" data-end=\"8211\"\u003eA: Yes. Professional installation is strongly recommended because this heater requires proper gas, electrical, plumbing, venting, and safety setup.\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:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/heaters\/max-e-therm\/brochure\/max-e-therm-heaters-for-pools-and-spas-en.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSell sheet: Max-E-Therm Heaters for Pools and Spas - English\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/heaters\/max-e-therm\/manuals\/max-e-therm-manual-english.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Max-E-Therm User's Guide - English\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/heaters\/max-e-therm\/manuals\/maxetherm-heater-manifold-replacement-manual-english.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Max-E-Therm Heater Manifold Replacement Instructions Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/heaters\/max-e-therm1\/MasterTemp_and_Max-E-Therm_Heater_Direct_air_Intake_Duct_with_3_inch_PVC_Pipe_Kit_Installation_Instructions_English.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: MasterTemp and Max-E-Therm Direct Air Intake Duct Kit Installation Instructions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/heaters\/heater-new-installation-checklist.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: Heater Checklist\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":53594610237750,"sku":"SR400LP","price":4199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PENSR400LP_0.avif?v=1769029882","url":"https:\/\/poolsupplydepot.net\/products\/pentair-sta-rite-max-e-therm-400-high-performance-pool-and-spa-sr400lp","provider":"Pool Supply Depot","version":"1.0","type":"link"}