{"product_id":"pentair-mastertemp-125-high-performance-heater-125-000-btus-propane-ec-462025","title":"Pentair | EC-462025 | MasterTemp 125 High Performance Pool \u0026 Spa Heater | 125,000 BTU Propane","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle 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 scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-699f32a9-8f80-8320-96c7-8c12f9cd2aac-7\" data-testid=\"conversation-turn-428\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--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\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"d26e2eb1-59d2-468c-89f4-be6a04edba09\" dir=\"auto\" data-message-model-slug=\"gpt-5-2\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"125\" data-end=\"608\"\u003eThe Pentair EC-462025 MasterTemp 125 High Performance Heater is a 125,000 BTU propane-fired pool and spa heater engineered for compact residential applications. Designed with induced-draft combustion and hot surface ignition (HSI), this unit provides reliable startup and efficient heat transfer without a standing pilot. Its lightweight, corrosion-resistant cabinet and digital control interface support dependable outdoor installation and consistent water temperature management.\u003c\/p\u003e\n\u003cp data-start=\"610\" data-end=\"652\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"654\" data-end=\"668\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"670\" data-end=\"1290\"\u003e• 125,000 BTU propane heater designed for residential pools and spas.\u003cbr data-start=\"739\" data-end=\"742\"\u003e• Induced-draft combustion system for stable and efficient burner operation.\u003cbr data-start=\"818\" data-end=\"821\"\u003e• Hot surface ignition eliminates standing pilot for improved reliability.\u003cbr data-start=\"895\" data-end=\"898\"\u003e• Digital control panel with full-text display for temperature and diagnostics.\u003cbr data-start=\"977\" data-end=\"980\"\u003e• 120\/240 VAC, 60 Hz single-phase electrical compatibility.\u003cbr data-start=\"1039\" data-end=\"1042\"\u003e• Integrated safety devices including high limits, air flow switch, and stack flue sensor.\u003cbr data-start=\"1132\" data-end=\"1135\"\u003e• Compact cabinet approximately 21\" x 23\" x 29\" for space-efficient installation.\u003cbr data-start=\"1216\" data-end=\"1219\"\u003e• Compatible with Pentair automation systems for coordinated control.\u003c\/p\u003e\n\u003cp data-start=\"1292\" data-end=\"1334\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"1336\" data-end=\"1354\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1356\" data-end=\"1829\"\u003eThe Pentair EC-462025 MasterTemp 125 Propane Heater is engineered to deliver dependable and efficient heating for smaller residential pools, spas, and above-ground installations. With a 125,000 BTU input rating, this model provides effective heat recovery while maintaining approximately 82–84% thermal efficiency. The blower-assisted combustion system ensures proper air-to-fuel mixture, while the hot surface ignition system enhances safety and operational consistency.\u003c\/p\u003e\n\u003cp data-start=\"1831\" data-end=\"2351\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eConstructed with a corrosion-resistant composite exterior, the MasterTemp 125 is designed for long-term durability in outdoor environments. The integrated digital control panel allows precise temperature adjustment and system monitoring, while internal safety interlocks protect against improper operation. Designed for propane gas applications, the EC-462025 connects directly to standard pool plumbing configurations and supports integration with Pentair automation systems for convenient, centralized pool management.\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\n\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-69ed3017-cb7c-83e8-99f3-dedd59fc1a7d-47\" data-testid=\"conversation-turn-234\" 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=\"a89fed9c-e269-4648-ba42-184864fc34fc\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" 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\u003cp data-start=\"0\" data-end=\"40\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003ch2 data-section-id=\"w1c0q0\" data-start=\"42\" data-end=\"77\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"79\" data-end=\"310\"\u003e\u003cstrong data-start=\"79\" data-end=\"147\"\u003eQ: What is the Pentair EC-462025 MasterTemp 125 heater used for?\u003c\/strong\u003e\u003cbr data-start=\"147\" data-end=\"150\"\u003eA: The Pentair EC-462025 MasterTemp 125 is a 125,000 BTU propane pool and spa heater designed for small residential pools, spas, and above-ground installations.\u003c\/p\u003e\n\u003chr data-start=\"312\" data-end=\"315\"\u003e\n\u003cp data-start=\"317\" data-end=\"490\"\u003e\u003cstrong data-start=\"317\" data-end=\"372\"\u003eQ: Is the Pentair EC-462025 propane or natural gas?\u003c\/strong\u003e\u003cbr data-start=\"372\" data-end=\"375\"\u003eA: This model is designed for propane gas. Natural gas versions are available under different Pentair part numbers.\u003c\/p\u003e\n\u003chr data-start=\"492\" data-end=\"495\"\u003e\n\u003cp data-start=\"497\" data-end=\"681\"\u003e\u003cstrong data-start=\"497\" data-end=\"553\"\u003eQ: What size pool is the Pentair EC-462025 best for?\u003c\/strong\u003e\u003cbr data-start=\"553\" data-end=\"556\"\u003eA: This 125K BTU heater is best for smaller pools, spas, and compact residential pool systems that require efficient heating.\u003c\/p\u003e\n\u003chr data-start=\"683\" data-end=\"686\"\u003e\n\u003cp data-start=\"688\" data-end=\"901\"\u003e\u003cstrong data-start=\"688\" data-end=\"744\"\u003eQ: Is the Pentair EC-462025 MasterTemp 125 worth it?\u003c\/strong\u003e\u003cbr data-start=\"744\" data-end=\"747\"\u003eA: Yes. It is a strong option for homeowners who want compact propane heating, digital controls, efficient performance, and reliable MasterTemp operation.\u003c\/p\u003e\n\u003chr data-start=\"903\" data-end=\"906\"\u003e\n\u003cp data-start=\"908\" data-end=\"1090\"\u003e\u003cstrong data-start=\"908\" data-end=\"963\"\u003eQ: Does the Pentair EC-462025 use a standing pilot?\u003c\/strong\u003e\u003cbr data-start=\"963\" data-end=\"966\"\u003eA: No. This heater uses hot surface ignition (HSI), which eliminates the need for a standing pilot and improves reliability.\u003c\/p\u003e\n\u003chr data-start=\"1092\" data-end=\"1095\"\u003e\n\u003cp data-start=\"1097\" data-end=\"1241\"\u003e\u003cstrong data-start=\"1097\" data-end=\"1152\"\u003eQ: What voltage does the Pentair EC-462025 require?\u003c\/strong\u003e\u003cbr data-start=\"1152\" data-end=\"1155\"\u003eA: This heater is compatible with 120V or 240V, 60 Hz single-phase electrical service.\u003c\/p\u003e\n\u003chr data-start=\"1243\" data-end=\"1246\"\u003e\n\u003cp data-start=\"1248\" data-end=\"1489\"\u003e\u003cstrong data-start=\"1248\" data-end=\"1313\"\u003eQ: Can the Pentair EC-462025 replace my existing pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1313\" data-end=\"1316\"\u003eA: Yes. It can replace many smaller propane pool heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, venting, and installation requirements.\u003c\/p\u003e\n\u003chr data-start=\"1491\" data-end=\"1494\"\u003e\n\u003cp data-start=\"1496\" data-end=\"1709\"\u003e\u003cstrong data-start=\"1496\" data-end=\"1564\"\u003eQ: Does the Pentair EC-462025 require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1564\" data-end=\"1567\"\u003eA: Yes. Professional installation is recommended due to propane gas sizing, electrical wiring, plumbing, venting, and local code requirements.\u003c\/p\u003e\n\u003chr data-start=\"1711\" data-end=\"1714\"\u003e\n\u003cp data-start=\"1716\" data-end=\"1915\"\u003e\u003cstrong data-start=\"1716\" data-end=\"1786\"\u003eQ: Can the Pentair EC-462025 be used with pool automation systems?\u003c\/strong\u003e\u003cbr data-start=\"1786\" data-end=\"1789\"\u003eA: Yes. This heater is compatible with Pentair automation systems for temperature control, monitoring, and system integration.\u003c\/p\u003e\n\u003chr data-start=\"1917\" data-end=\"1920\"\u003e\n\u003cp data-start=\"1922\" data-end=\"2136\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1922\" data-end=\"1999\"\u003eQ: When should I choose the Pentair EC-462025 instead of a larger heater?\u003c\/strong\u003e\u003cbr data-start=\"1999\" data-end=\"2002\"\u003eA: Choose this 125K BTU model if you have a smaller pool or spa and do not need the faster heat-up performance of a higher BTU heater.\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\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":44123084783659,"sku":"EC-462025","price":2249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/PENEC462025_6_2dff88fc-efbb-4986-aa95-0df26930d7c5.jpg?v=1779704058","url":"https:\/\/auremontdirect.com\/products\/pentair-mastertemp-125-high-performance-heater-125-000-btus-propane-ec-462025","provider":"Auremont Direct","version":"1.0","type":"link"}