{"product_id":"pentairmastertempasme250heaternaturalgas144lbs250kbtu120240vac460771pen460771","title":"Pentair Mastertemp ASME 250 Heater Natural Gas, 250K BTU | 460771","description":"\u003ch2 data-end=\"356\" data-start=\"337\" data-section-id=\"1p927wt\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-end=\"688\" data-start=\"358\"\u003eThe \u003cstrong data-end=\"412\" data-start=\"362\"\u003ePentair MasterTemp ASME 250 Natural Gas Heater\u003c\/strong\u003e delivers fast, efficient pool and spa heating in a compact, commercial-ready design. With \u003cstrong data-end=\"518\" data-start=\"503\"\u003e250,000 BTU\u003c\/strong\u003e heating performance, \u003cstrong data-end=\"562\" data-start=\"540\"\u003eASME certification\u003c\/strong\u003e, and \u003cstrong data-end=\"593\" data-start=\"568\"\u003enatural gas operation\u003c\/strong\u003e, this heater is built for demanding residential, commercial, and code-compliant installations.\u003c\/p\u003e\n\u003cp data-end=\"1112\" data-start=\"690\"\u003eDesigned for convenience and reliability, the MasterTemp 460771 features digital controls, a rotating display, low NOx emissions, quiet operation, and a durable rustproof exterior. Its ASME-certified construction and bronze header design make it a strong choice for hotels, apartments, condos, schools, community pools, and high-end residential pools where dependable heating matters. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"1117\" data-start=\"1114\"\u003e\n\u003ch2 data-end=\"1131\" data-start=\"1119\" data-section-id=\"1vdrhtn\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-end=\"1387\" data-start=\"1133\"\u003e\n\u003cli data-end=\"1160\" data-start=\"1133\" data-section-id=\"18jbwyp\"\u003eCommercial pools and spas\u003c\/li\u003e\n\u003cli data-end=\"1203\" data-start=\"1161\" data-section-id=\"rbhpig\"\u003eApartment, condo, hotel, and motel pools\u003c\/li\u003e\n\u003cli data-end=\"1254\" data-start=\"1204\" data-section-id=\"15275ed\"\u003eSchools, parks, and community aquatic facilities\u003c\/li\u003e\n\u003cli data-end=\"1314\" data-start=\"1255\" data-section-id=\"10yofze\"\u003eHigh-end residential pools requiring ASME-rated equipment\u003c\/li\u003e\n\u003cli data-end=\"1387\" data-start=\"1315\" data-section-id=\"vutvas\"\u003ePool owners wanting fast heat-up and efficient natural gas performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1392\" data-start=\"1389\"\u003e\n\u003ch2 data-end=\"1409\" data-start=\"1394\" data-section-id=\"1ma7m6t\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-end=\"2616\" data-start=\"1411\"\u003e\n\u003cli data-end=\"1541\" data-start=\"1411\" data-section-id=\"kovrqu\"\u003e\n\u003cstrong data-end=\"1445\" data-start=\"1413\"\u003e250,000 BTU Heating Capacity\u003c\/strong\u003e — Provides strong heating performance for pools and spas. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1659\" data-start=\"1542\" data-section-id=\"1rlpc9\"\u003e\n\u003cstrong data-end=\"1562\" data-start=\"1544\"\u003eASME Certified\u003c\/strong\u003e — Suitable for commercial and code-compliant applications. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1744\" data-start=\"1660\" data-section-id=\"1tll5mc\"\u003e\n\u003cstrong data-end=\"1687\" data-start=\"1662\"\u003eNatural Gas Operation\u003c\/strong\u003e — Designed for natural gas pool and spa heating systems.\u003c\/li\u003e\n\u003cli data-end=\"1870\" data-start=\"1745\" data-section-id=\"1xc9pog\"\u003e\n\u003cstrong data-end=\"1768\" data-start=\"1747\"\u003eLow NOx Certified\u003c\/strong\u003e — Eco-friendly heater design that meets low-emission standards. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1949\" data-start=\"1871\" data-section-id=\"77h029\"\u003e\n\u003cstrong data-end=\"1893\" data-start=\"1873\"\u003eDigital Controls\u003c\/strong\u003e — Easy-to-use interface for simple temperature control.\u003c\/li\u003e\n\u003cli data-end=\"2077\" data-start=\"1950\" data-section-id=\"7ctgrr\"\u003e\n\u003cstrong data-end=\"1980\" data-start=\"1952\"\u003eRotating Digital Display\u003c\/strong\u003e — Allows easier viewing depending on equipment pad layout. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2180\" data-start=\"2078\" data-section-id=\"12uc8xw\"\u003e\n\u003cstrong data-end=\"2106\" data-start=\"2080\"\u003eCompact Cabinet Design\u003c\/strong\u003e — Fits into many equipment pad layouts while delivering high performance.\u003c\/li\u003e\n\u003cli data-end=\"2305\" data-start=\"2181\" data-section-id=\"1uxml6s\"\u003e\n\u003cstrong data-end=\"2215\" data-start=\"2183\"\u003eRustproof Composite Exterior\u003c\/strong\u003e — Built to handle outdoor equipment pad conditions. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2473\" data-start=\"2306\" data-section-id=\"rbiat3\"\u003e\n\u003cstrong data-end=\"2332\" data-start=\"2308\"\u003eBronze Header Design\u003c\/strong\u003e — ASME configuration includes bronze header construction for commercial durability and serviceability. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2616\" data-start=\"2474\" data-section-id=\"1813f2a\"\u003e\n\u003cstrong data-end=\"2508\" data-start=\"2476\"\u003eIndoor \/ Outdoor Application\u003c\/strong\u003e — Listed for commercial, indoor, outdoor, pool, and spa applications. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2621\" data-start=\"2618\"\u003e\n\u003ch2 data-end=\"2634\" data-start=\"2623\" data-section-id=\"2qq1z5\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-end=\"2881\" data-start=\"2636\"\u003eThe Pentair MasterTemp ASME 250 is built for pool owners and property managers who need dependable heat without unnecessary complexity. Its 250K BTU output helps reduce wait times, while the digital controls make daily operation straightforward.\u003c\/p\u003e\n\u003cp data-end=\"3162\" data-start=\"2883\"\u003eThe ASME-certified design makes this model especially useful for commercial and regulated installations. Low NOx performance, efficient operation up to 84%, and a compact cabinet help balance performance, compliance, and equipment pad space. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"3167\" data-start=\"3164\"\u003e\n\u003ch2 data-end=\"3186\" data-start=\"3169\" data-section-id=\"1a3ueyz\"\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 class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3800\" data-start=\"3188\"\u003e\n\u003cthead data-end=\"3215\" data-start=\"3188\"\u003e\n\u003ctr data-end=\"3215\" data-start=\"3188\"\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"3204\" data-start=\"3188\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\" data-col-size=\"sm\" data-end=\"3215\" data-start=\"3204\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"3800\" data-start=\"3226\"\u003e\n\u003ctr data-end=\"3245\" data-start=\"3226\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3234\" data-start=\"3226\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3245\" data-start=\"3234\"\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3274\" data-start=\"3246\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3255\" data-start=\"3246\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3274\" data-start=\"3255\"\u003eMasterTemp ASME\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3293\" data-start=\"3275\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3283\" data-start=\"3275\"\u003eModel\u003c\/td\u003e\n\u003ctd data-end=\"3293\" data-start=\"3283\" data-col-size=\"sm\"\u003e460771\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3310\" data-start=\"3294\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3300\" data-start=\"3294\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-end=\"3310\" data-start=\"3300\" data-col-size=\"sm\"\u003e460771\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3343\" data-start=\"3311\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3327\" data-start=\"3311\"\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd data-end=\"3343\" data-start=\"3327\" data-col-size=\"sm\"\u003e788379788414\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3371\" data-start=\"3344\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3356\" data-start=\"3344\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd data-end=\"3371\" data-start=\"3356\" data-col-size=\"sm\"\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3399\" data-start=\"3372\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3384\" data-start=\"3372\"\u003eBTU Input\u003c\/td\u003e\n\u003ctd data-end=\"3399\" data-start=\"3384\" data-col-size=\"sm\"\u003e250,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3434\" data-start=\"3400\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3416\" data-start=\"3400\"\u003eCertification\u003c\/td\u003e\n\u003ctd data-end=\"3434\" data-start=\"3416\" data-col-size=\"sm\"\u003eASME Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3468\" data-start=\"3435\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3447\" data-start=\"3435\"\u003eEmissions\u003c\/td\u003e\n\u003ctd data-end=\"3468\" data-start=\"3447\" data-col-size=\"sm\"\u003eLow NOx Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3495\" data-start=\"3469\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3484\" data-start=\"3469\"\u003eControl Type\u003c\/td\u003e\n\u003ctd data-end=\"3495\" data-start=\"3484\" data-col-size=\"sm\"\u003eDigital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3521\" data-start=\"3496\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3506\" data-start=\"3496\"\u003eVoltage\u003c\/td\u003e\n\u003ctd data-end=\"3521\" data-start=\"3506\" data-col-size=\"sm\"\u003e120V \/ 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3543\" data-start=\"3522\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3534\" data-start=\"3522\"\u003eFrequency\u003c\/td\u003e\n\u003ctd data-end=\"3543\" data-start=\"3534\" data-col-size=\"sm\"\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3568\" data-start=\"3544\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3552\" data-start=\"3544\"\u003ePhase\u003c\/td\u003e\n\u003ctd data-end=\"3568\" data-start=\"3552\" data-col-size=\"sm\"\u003eSingle Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3597\" data-start=\"3569\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3586\" data-start=\"3569\"\u003eGas Connection\u003c\/td\u003e\n\u003ctd data-end=\"3597\" data-start=\"3586\" data-col-size=\"sm\"\u003e3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3627\" data-start=\"3598\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3614\" data-start=\"3598\"\u003eCabinet Width\u003c\/td\u003e\n\u003ctd data-end=\"3627\" data-start=\"3614\" data-col-size=\"sm\"\u003e23.02 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3657\" data-start=\"3628\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3644\" data-start=\"3628\"\u003eCabinet Depth\u003c\/td\u003e\n\u003ctd data-end=\"3657\" data-start=\"3644\" data-col-size=\"sm\"\u003e32.61 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3688\" data-start=\"3658\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3675\" data-start=\"3658\"\u003eCabinet Height\u003c\/td\u003e\n\u003ctd data-end=\"3688\" data-start=\"3675\" data-col-size=\"sm\"\u003e28.15 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3716\" data-start=\"3689\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3706\" data-start=\"3689\"\u003eApprox. Weight\u003c\/td\u003e\n\u003ctd data-end=\"3716\" data-start=\"3706\" data-col-size=\"sm\"\u003e144 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3773\" data-start=\"3717\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3731\" data-start=\"3717\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-end=\"3773\" data-start=\"3731\" data-col-size=\"sm\"\u003ePool, Spa, Commercial, Indoor, Outdoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3800\" data-start=\"3774\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3787\" data-start=\"3774\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd data-end=\"3800\" data-start=\"3787\" data-col-size=\"sm\"\u003eUp to 84%\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-end=\"3805\" data-start=\"3802\"\u003e\n\u003ch2 data-end=\"3829\" data-start=\"3807\" data-section-id=\"px9lge\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-end=\"3997\" data-start=\"3831\"\u003e\u003cstrong data-end=\"3890\" data-start=\"3831\"\u003eQ: Is the Pentair 460771 heater natural gas or propane?\u003c\/strong\u003e\u003cbr data-end=\"3893\" data-start=\"3890\"\u003eA: This model is designed for \u003cstrong data-end=\"3938\" data-start=\"3923\"\u003enatural gas\u003c\/strong\u003e. For propane installations, a different model is required.\u003c\/p\u003e\n\u003cp data-end=\"4194\" data-start=\"3999\"\u003e\u003cstrong data-end=\"4036\" data-start=\"3999\"\u003eQ: Is this heater ASME certified?\u003c\/strong\u003e\u003cbr data-end=\"4039\" data-start=\"4036\"\u003eA: Yes. The Pentair MasterTemp 460771 is an \u003cstrong data-end=\"4101\" data-start=\"4083\"\u003eASME-certified\u003c\/strong\u003e heater, making it suitable for many commercial and code-compliant pool and spa applications.\u003c\/p\u003e\n\u003cp data-end=\"4415\" data-start=\"4196\"\u003e\u003cstrong data-end=\"4250\" data-start=\"4196\"\u003eQ: Can this heater be used for a residential pool?\u003c\/strong\u003e\u003cbr data-end=\"4253\" data-start=\"4250\"\u003eA: Yes, it can be used for residential applications, but it is especially suited for commercial or high-demand installations where ASME certification is required.\u003c\/p\u003e\n\u003cp data-end=\"4543\" data-start=\"4417\"\u003e\u003cstrong data-end=\"4449\" data-start=\"4417\"\u003eQ: What size is this heater?\u003c\/strong\u003e\u003cbr data-end=\"4452\" data-start=\"4449\"\u003eA: The cabinet measures approximately \u003cstrong data-end=\"4542\" data-start=\"4490\"\u003e23.02 in. wide x 32.61 in. deep x 28.15 in. high\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"4714\" data-start=\"4545\"\u003e\u003cstrong data-end=\"4591\" data-start=\"4545\"\u003eQ: Does this heater have digital controls?\u003c\/strong\u003e\u003cbr data-end=\"4594\" data-start=\"4591\"\u003eA: Yes. The MasterTemp 460771 includes digital controls and a rotating digital display for easier operation and viewing.\u003c\/p\u003e\n\u003cp data-end=\"4883\" data-start=\"4716\"\u003e\u003cstrong data-end=\"4754\" data-start=\"4716\"\u003eQ: Is this a low-emissions heater?\u003c\/strong\u003e\u003cbr data-end=\"4757\" data-start=\"4754\"\u003eA: Yes. The MasterTemp heater is listed as \u003cstrong data-end=\"4821\" data-start=\"4800\"\u003eLow NOx certified\u003c\/strong\u003e, making it a more environmentally friendly gas heater option.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52762982908214,"sku":"460771","price":4450.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PEN460771_0.jpg?v=1755537908","url":"https:\/\/poolsupplydepot.net\/products\/pentairmastertempasme250heaternaturalgas144lbs250kbtu120240vac460771pen460771","provider":"Pool Supply Depot","version":"1.0","type":"link"}