{"product_id":"pentairnalp400kconversionkit777071441pen777071441","title":"Pentair NATURAL GAS To LIQUID PROPANE 400K Conversion Kit | 77707-1441","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:d8a0b5bb-6406-40f5-96c1-1491b5b8c373-3\" data-testid=\"conversation-turn-8\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"e17da476-def2-48b5-b60c-b1e15197ebc8\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"f0xuy6\" data-start=\"75\" data-end=\"97\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"98\" data-end=\"354\"\u003eThe \u003cstrong data-start=\"102\" data-end=\"176\"\u003ePentair Natural Gas to Liquid Propane 400K Conversion Kit | 77707-1441\u003c\/strong\u003e is a genuine Pentair replacement conversion kit designed to convert compatible \u003cstrong data-start=\"256\" data-end=\"300\"\u003e400,000 BTU Pentair pool and spa heaters\u003c\/strong\u003e from \u003cstrong data-start=\"306\" data-end=\"326\"\u003enatural gas (NG)\u003c\/strong\u003e to \u003cstrong data-start=\"330\" data-end=\"353\"\u003eliquid propane (LP)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"356\" data-end=\"565\"\u003eThis kit is commonly used with compatible \u003cstrong data-start=\"398\" data-end=\"425\"\u003ePentair MasterTemp 400K\u003c\/strong\u003e and \u003cstrong data-start=\"430\" data-end=\"459\"\u003eSta-Rite Max-E-Therm 400K\u003c\/strong\u003e heater models. It is intended for proper fuel conversion when propane is required instead of natural gas.\u003c\/p\u003e\n\u003ch3 data-section-id=\"7p9bqw\" data-start=\"567\" data-end=\"582\"\u003eIdeal For\u003c\/h3\u003e\n\u003cp data-start=\"583\" data-end=\"720\"\u003ePool owners, service technicians, and installers converting a compatible 400K BTU Pentair or Sta-Rite heater from natural gas to propane.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1sboupi\" data-start=\"722\" data-end=\"740\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"742\" data-end=\"1482\"\u003e\n\u003cli data-section-id=\"m6raxd\" data-start=\"742\" data-end=\"863\"\u003e\n\u003cstrong data-start=\"744\" data-end=\"781\"\u003eNatural Gas to Propane Conversion\u003c\/strong\u003e\u003cbr data-start=\"781\" data-end=\"784\"\u003eConverts compatible 400K BTU heaters from \u003cstrong data-start=\"828\" data-end=\"839\"\u003eNG fuel\u003c\/strong\u003e to \u003cstrong data-start=\"843\" data-end=\"862\"\u003eLP propane fuel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"1is6ndr\" data-start=\"865\" data-end=\"978\"\u003e\n\u003cstrong data-start=\"867\" data-end=\"902\"\u003eGenuine Pentair Replacement Kit\u003c\/strong\u003e\u003cbr data-start=\"902\" data-end=\"905\"\u003eOEM Pentair part designed for proper fit and reliable heater operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1v3jocq\" data-start=\"980\" data-end=\"1070\"\u003e\n\u003cstrong data-start=\"982\" data-end=\"1012\"\u003eFor 400K BTU Heater Models\u003c\/strong\u003e\u003cbr data-start=\"1012\" data-end=\"1015\"\u003eMade for compatible 400,000 BTU pool and spa heaters.\u003c\/li\u003e\n\u003cli data-section-id=\"1vhic4s\" data-start=\"1072\" data-end=\"1228\"\u003e\n\u003cstrong data-start=\"1074\" data-end=\"1135\"\u003eCompatible with Select MasterTemp and Max-E-Therm Heaters\u003c\/strong\u003e\u003cbr data-start=\"1135\" data-end=\"1138\"\u003eCommonly used with Pentair MasterTemp 400K and Sta-Rite Max-E-Therm 400K heater systems.\u003c\/li\u003e\n\u003cli data-section-id=\"1eu1tym\" data-start=\"1230\" data-end=\"1330\"\u003e\n\u003cstrong data-start=\"1232\" data-end=\"1262\"\u003eSupports Proper Fuel Setup\u003c\/strong\u003e\u003cbr data-start=\"1262\" data-end=\"1265\"\u003eHelps ensure the heater is configured for the correct gas type.\u003c\/li\u003e\n\u003cli data-section-id=\"os4jr7\" data-start=\"1332\" data-end=\"1482\"\u003e\n\u003cstrong data-start=\"1334\" data-end=\"1375\"\u003eProfessional Installation Recommended\u003c\/strong\u003e\u003cbr data-start=\"1375\" data-end=\"1378\"\u003eGas conversion should be completed by a qualified pool heater technician or licensed gas professional.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"g681sy\" data-start=\"1484\" data-end=\"1498\"\u003eBenefits\u003c\/h3\u003e\n\u003cul data-start=\"1500\" data-end=\"1887\"\u003e\n\u003cli data-section-id=\"1n8vr2q\" data-start=\"1500\" data-end=\"1575\"\u003eAllows a compatible heater to operate on propane instead of natural gas\u003c\/li\u003e\n\u003cli data-section-id=\"h3r7aq\" data-start=\"1576\" data-end=\"1641\"\u003eUseful when propane is the available or preferred fuel source\u003c\/li\u003e\n\u003cli data-section-id=\"jsfoz6\" data-start=\"1642\" data-end=\"1703\"\u003eHelps maintain proper heater performance after conversion\u003c\/li\u003e\n\u003cli data-section-id=\"1i6ngn5\" data-start=\"1704\" data-end=\"1758\"\u003eOEM kit helps ensure correct fit and compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"lfukqg\" data-start=\"1759\" data-end=\"1825\"\u003eIdeal for heater repairs, replacements, or fuel-source changes\u003c\/li\u003e\n\u003cli data-section-id=\"4x1dbl\" data-start=\"1826\" data-end=\"1887\"\u003eHelps avoid improper gas setup when converting fuel types\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"17tjqny\" data-start=\"1889\" data-end=\"1910\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul data-start=\"1912\" data-end=\"2061\"\u003e\n\u003cli data-section-id=\"x1dthe\" data-start=\"1912\" data-end=\"1981\"\u003eConversion kit components for natural gas to liquid propane setup\u003c\/li\u003e\n\u003cli data-section-id=\"1tlhd9q\" data-start=\"1982\" data-end=\"2061\"\u003eCommon kit components may include clamp assembly, O-ring, and silicone tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"rkevhk\" data-start=\"2063\" data-end=\"2082\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp data-start=\"2084\" data-end=\"2153\"\u003eDesigned for compatible \u003cstrong data-start=\"2108\" data-end=\"2120\"\u003e400K BTU\u003c\/strong\u003e heater models, including select:\u003c\/p\u003e\n\u003cul data-start=\"2155\" data-end=\"2311\"\u003e\n\u003cli data-section-id=\"xcakai\" data-start=\"2155\" data-end=\"2197\"\u003ePentair MasterTemp 400,000 BTU heaters\u003c\/li\u003e\n\u003cli data-section-id=\"rw5oyx\" data-start=\"2198\" data-end=\"2242\"\u003eSta-Rite Max-E-Therm 400,000 BTU heaters\u003c\/li\u003e\n\u003cli data-section-id=\"clkxan\" data-start=\"2243\" data-end=\"2311\"\u003eNatural gas heater models requiring conversion to liquid propane\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2313\" data-end=\"2414\"\u003eAlways confirm the heater model, gas type, BTU rating, and manufacturer requirements before ordering.\u003c\/p\u003e\n\u003ch3 data-section-id=\"vxpzj1\" data-start=\"2416\" data-end=\"2441\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h3\u003e\n\u003cp data-start=\"2443\" data-end=\"2607\"\u003e\u003cstrong data-start=\"2443\" data-end=\"2501\"\u003eQ: What does the Pentair 77707-1441 conversion kit do?\u003c\/strong\u003e\u003cbr data-start=\"2501\" data-end=\"2504\"\u003eA: It converts compatible 400K BTU Pentair or Sta-Rite pool heaters from natural gas to liquid propane.\u003c\/p\u003e\n\u003cp data-start=\"2609\" data-end=\"2723\"\u003e\u003cstrong data-start=\"2609\" data-end=\"2649\"\u003eQ: Is this for a 400,000 BTU heater?\u003c\/strong\u003e\u003cbr data-start=\"2649\" data-end=\"2652\"\u003eA: Yes. This kit is designed for compatible \u003cstrong data-start=\"2696\" data-end=\"2708\"\u003e400K BTU\u003c\/strong\u003e heater models.\u003c\/p\u003e\n\u003cp data-start=\"2725\" data-end=\"2891\"\u003e\u003cstrong data-start=\"2725\" data-end=\"2773\"\u003eQ: Does this convert propane to natural gas?\u003c\/strong\u003e\u003cbr data-start=\"2773\" data-end=\"2776\"\u003eA: No. This kit is for \u003cstrong data-start=\"2799\" data-end=\"2832\"\u003enatural gas to liquid propane\u003c\/strong\u003e conversion. It should not be used for LP-to-NG conversion.\u003c\/p\u003e\n\u003cp data-start=\"2893\" data-end=\"3052\"\u003e\u003cstrong data-start=\"2893\" data-end=\"2940\"\u003eQ: What heaters is this commonly used with?\u003c\/strong\u003e\u003cbr data-start=\"2940\" data-end=\"2943\"\u003eA: It is commonly used with compatible \u003cstrong data-start=\"2982\" data-end=\"3009\"\u003ePentair MasterTemp 400K\u003c\/strong\u003e and \u003cstrong data-start=\"3014\" data-end=\"3043\"\u003eSta-Rite Max-E-Therm 400K\u003c\/strong\u003e heaters.\u003c\/p\u003e\n\u003cp data-start=\"3054\" data-end=\"3240\"\u003e\u003cstrong data-start=\"3054\" data-end=\"3094\"\u003eQ: Can a homeowner install this kit?\u003c\/strong\u003e\u003cbr data-start=\"3094\" data-end=\"3097\"\u003eA: Gas conversion work should be performed by a qualified technician or licensed gas professional to ensure safe operation and code compliance.\u003c\/p\u003e\n\u003cp data-start=\"3242\" data-end=\"3485\"\u003e\u003cstrong data-start=\"3242\" data-end=\"3290\"\u003eQ: How do I confirm this is the correct kit?\u003c\/strong\u003e\u003cbr data-start=\"3290\" data-end=\"3293\"\u003eA: Verify your heater model number, BTU rating, and current gas type. This part number is \u003cstrong data-start=\"3383\" data-end=\"3397\"\u003e77707-1441\u003c\/strong\u003e and is intended for compatible 400K BTU natural gas heaters being converted to propane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762847445302,"sku":"PEN777071441 -H","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PEN777071441_0.jpg?v=1755535875","url":"https:\/\/poolsupplydepot.net\/products\/pentairnalp400kconversionkit777071441pen777071441","provider":"Pool Supply Depot","version":"1.0","type":"link"}