{"product_id":"pentair-mastertemp-125-high-performance-heater-125-000-btus-ec-462024","title":"Pentair MasterTemp 125 High Performance Heater 125,000 BTUs, Natural Gas | EC-462024","description":"\u003ch2 data-section-id=\"53drpp\" data-start=\"677\" data-end=\"698\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"699\" data-end=\"1082\"\u003eThe \u003cstrong data-start=\"703\" data-end=\"765\"\u003ePentair MasterTemp 125 High Performance Heater | EC-462024\u003c\/strong\u003e is a compact natural gas pool and spa heater designed for efficient heating in smaller residential pool and spa systems. With \u003cstrong data-start=\"892\" data-end=\"907\"\u003e125,000 BTU\u003c\/strong\u003e heating capacity, this model is ideal for smaller inground pools, above-ground pools, spas, and pool\/spa combinations that need dependable heat in a smaller heater footprint.\u003c\/p\u003e\n\u003cp data-start=\"1084\" data-end=\"1391\"\u003eThe MasterTemp 125 platform is built with advanced pre-mixed gas combustion technology, digital controls, electronic ignition, and a compact cabinet. It is designed for pools up to approximately \u003cstrong data-start=\"1279\" data-end=\"1297\"\u003e15,000 gallons\u003c\/strong\u003e, depending on climate, pool cover use, desired temperature rise, and installation conditions.\u003c\/p\u003e\n\u003cp data-start=\"1393\" data-end=\"1560\"\u003eThis natural gas model is commonly listed as \u003cstrong data-start=\"1438\" data-end=\"1451\"\u003eEC-462024\u003c\/strong\u003e, with related Pentair references including \u003cstrong data-start=\"1495\" data-end=\"1505\"\u003e462024\u003c\/strong\u003e and \u003cstrong data-start=\"1510\" data-end=\"1520\"\u003e461059\u003c\/strong\u003e, depending on channel and part listing.\u003c\/p\u003e\n\u003chr data-start=\"1562\" data-end=\"1565\"\u003e\n\u003ch2 data-section-id=\"4fdhx7\" data-start=\"1567\" data-end=\"1581\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-start=\"1582\" data-end=\"1958\"\u003e\n\u003cli data-section-id=\"n0ej8d\" data-start=\"1582\" data-end=\"1611\"\u003eSmaller residential pools\u003c\/li\u003e\n\u003cli data-section-id=\"hy7o0\" data-start=\"1612\" data-end=\"1634\"\u003eAbove-ground pools\u003c\/li\u003e\n\u003cli data-section-id=\"1l3z2y\" data-start=\"1635\" data-end=\"1659\"\u003eSmall inground pools\u003c\/li\u003e\n\u003cli data-section-id=\"1ulb2up\" data-start=\"1660\" data-end=\"1681\"\u003eSpas and hot tubs\u003c\/li\u003e\n\u003cli data-section-id=\"161auk2\" data-start=\"1682\" data-end=\"1718\"\u003ePool and spa combination systems\u003c\/li\u003e\n\u003cli data-section-id=\"5m52se\" data-start=\"1719\" data-end=\"1755\"\u003eNatural gas pool heating systems\u003c\/li\u003e\n\u003cli data-section-id=\"lczff\" data-start=\"1756\" data-end=\"1799\"\u003eCustomers wanting compact heater sizing\u003c\/li\u003e\n\u003cli data-section-id=\"1go8fme\" data-start=\"1800\" data-end=\"1845\"\u003eReplacing older small natural gas heaters\u003c\/li\u003e\n\u003cli data-section-id=\"1bi022r\" data-start=\"1846\" data-end=\"1877\"\u003eLow NOx heater applications\u003c\/li\u003e\n\u003cli data-section-id=\"1z6gxi\" data-start=\"1878\" data-end=\"1915\"\u003eEquipment pads with limited space\u003c\/li\u003e\n\u003cli data-section-id=\"1euinj3\" data-start=\"1916\" data-end=\"1958\"\u003eProfessional pool heater installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1960\" data-end=\"1963\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"1965\" data-end=\"1982\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1983\" data-end=\"3294\"\u003e\n\u003cli data-section-id=\"15fpvw1\" data-start=\"1983\" data-end=\"2072\"\u003e\n\u003cstrong data-start=\"1985\" data-end=\"2017\"\u003e125,000 BTU heating capacity\u003c\/strong\u003e — provides reliable heat for smaller pools and spas.\u003c\/li\u003e\n\u003cli data-section-id=\"i4p3g7\" data-start=\"2073\" data-end=\"2165\"\u003e\n\u003cstrong data-start=\"2075\" data-end=\"2100\"\u003eNatural gas operation\u003c\/strong\u003e — designed for properties with compatible natural gas service.\u003c\/li\u003e\n\u003cli data-section-id=\"1y4njr7\" data-start=\"2166\" data-end=\"2262\"\u003e\n\u003cstrong data-start=\"2168\" data-end=\"2201\"\u003eCompact MasterTemp 125 design\u003c\/strong\u003e — easier to position on smaller or tighter equipment pads.\u003c\/li\u003e\n\u003cli data-section-id=\"1o5ae9b\" data-start=\"2263\" data-end=\"2370\"\u003e\n\u003cstrong data-start=\"2265\" data-end=\"2322\"\u003eDesigned for pools up to approximately 15,000 gallons\u003c\/strong\u003e — ideal for smaller residential applications.\u003c\/li\u003e\n\u003cli data-section-id=\"1380fr5\" data-start=\"2371\" data-end=\"2465\"\u003e\n\u003cstrong data-start=\"2373\" data-end=\"2412\"\u003ePre-mixed gas combustion technology\u003c\/strong\u003e — supports fast and efficient heating performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1fkser5\" data-start=\"2466\" data-end=\"2547\"\u003e\n\u003cstrong data-start=\"2468\" data-end=\"2494\"\u003e82% thermal efficiency\u003c\/strong\u003e — efficient heater performance for its size class.\u003c\/li\u003e\n\u003cli data-section-id=\"1a79kfk\" data-start=\"2548\" data-end=\"2629\"\u003e\n\u003cstrong data-start=\"2550\" data-end=\"2568\"\u003eLow NOx design\u003c\/strong\u003e — engineered for cleaner combustion and reduced emissions.\u003c\/li\u003e\n\u003cli data-section-id=\"1ivt5d5\" data-start=\"2630\" data-end=\"2708\"\u003e\n\u003cstrong data-start=\"2632\" data-end=\"2655\"\u003eElectronic ignition\u003c\/strong\u003e — reliable startup without a standing pilot light.\u003c\/li\u003e\n\u003cli data-section-id=\"1vc6zqo\" data-start=\"2709\" data-end=\"2809\"\u003e\n\u003cstrong data-start=\"2711\" data-end=\"2747\"\u003eDigital LCD display \/ controller\u003c\/strong\u003e — provides easy temperature control and operating feedback.\u003c\/li\u003e\n\u003cli data-section-id=\"rrmqdo\" data-start=\"2810\" data-end=\"2904\"\u003e\n\u003cstrong data-start=\"2812\" data-end=\"2840\"\u003eRotating digital display\u003c\/strong\u003e — improves visibility and service access during installation.\u003c\/li\u003e\n\u003cli data-section-id=\"2yt1fz\" data-start=\"2905\" data-end=\"2992\"\u003e\n\u003cstrong data-start=\"2907\" data-end=\"2938\"\u003e1-1\/2\" plumbing connections\u003c\/strong\u003e — suited for smaller pool and spa plumbing systems.\u003c\/li\u003e\n\u003cli data-section-id=\"1hrm80h\" data-start=\"2993\" data-end=\"3123\"\u003e\n\u003cstrong data-start=\"2995\" data-end=\"3027\"\u003ePlug-in power cord reference\u003c\/strong\u003e — commonly listed with a 110V cord for simplified electrical connection where code-compliant.\u003c\/li\u003e\n\u003cli data-section-id=\"uenybj\" data-start=\"3124\" data-end=\"3218\"\u003e\n\u003cstrong data-start=\"3126\" data-end=\"3164\"\u003eCorrosion and UV-resistant housing\u003c\/strong\u003e — designed for outdoor pool equipment environments.\u003c\/li\u003e\n\u003cli data-section-id=\"fayi4l\" data-start=\"3219\" data-end=\"3294\"\u003e\n\u003cstrong data-start=\"3221\" data-end=\"3240\"\u003eQuiet operation\u003c\/strong\u003e — supports a more comfortable poolside environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3296\" data-end=\"3299\"\u003e\n\u003ch2 data-section-id=\"33fg5d\" data-start=\"3301\" data-end=\"3314\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"3315\" data-end=\"3604\"\u003eThe Pentair EC-462024 MasterTemp 125 Natural Gas Heater is designed to bring MasterTemp performance to smaller pools and spas. Its 125K BTU output provides dependable heating without oversizing the system, making it a practical choice for compact installations and smaller bodies of water.\u003c\/p\u003e\n\u003cp data-start=\"3606\" data-end=\"3809\"\u003eThe digital controller makes operation simple, while the rotating display improves service access. Its compact cabinet and 1-1\/2\" plumbing connections help simplify installation for smaller pool systems.\u003c\/p\u003e\n\u003cp data-start=\"3811\" data-end=\"4000\"\u003eFor pool professionals, the MasterTemp 125 offers a dependable natural gas heating option with efficient combustion, Low NOx performance, electronic ignition, and a service-friendly design.\u003c\/p\u003e\n\u003chr data-start=\"4002\" data-end=\"4005\"\u003e\n\u003ch2 data-section-id=\"1qhk4i3\" data-start=\"4007\" data-end=\"4026\"\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=\"4028\" data-end=\"5460\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"4028\" data-end=\"4055\"\u003e\n\u003ctr data-start=\"4028\" data-end=\"4055\"\u003e\n\u003cth data-start=\"4028\" data-end=\"4044\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"4044\" data-end=\"4055\" data-col-size=\"md\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"4066\" data-end=\"5460\"\u003e\n\u003ctr data-start=\"4066\" data-end=\"4131\"\u003e\n\u003ctd data-start=\"4066\" data-end=\"4081\" data-col-size=\"sm\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-start=\"4081\" data-end=\"4131\" data-col-size=\"md\"\u003ePentair MasterTemp 125 High Performance Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4132\" data-end=\"4151\"\u003e\n\u003ctd data-start=\"4132\" data-end=\"4140\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"4140\" data-end=\"4151\" data-col-size=\"md\"\u003ePentair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4152\" data-end=\"4179\"\u003e\n\u003ctd data-start=\"4152\" data-end=\"4161\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"4161\" data-end=\"4179\" data-col-size=\"md\"\u003eMasterTemp 125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4180\" data-end=\"4207\"\u003e\n\u003ctd data-start=\"4180\" data-end=\"4194\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"4194\" data-end=\"4207\" data-col-size=\"md\"\u003eEC-462024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4208\" data-end=\"4249\"\u003e\n\u003ctd data-start=\"4208\" data-end=\"4231\" data-col-size=\"sm\"\u003eRelated Part Numbers\u003c\/td\u003e\n\u003ctd data-start=\"4231\" data-end=\"4249\" data-col-size=\"md\"\u003e462024, 461059\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4250\" data-end=\"4269\"\u003e\n\u003ctd data-start=\"4250\" data-end=\"4256\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"4256\" data-end=\"4269\" data-col-size=\"md\"\u003eEC-462024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4270\" data-end=\"4299\"\u003e\n\u003ctd data-start=\"4270\" data-end=\"4283\" data-col-size=\"sm\"\u003eUPC \/ GTIN\u003c\/td\u003e\n\u003ctd data-start=\"4283\" data-end=\"4299\" data-col-size=\"md\"\u003e788379887308\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4300\" data-end=\"4342\"\u003e\n\u003ctd data-start=\"4300\" data-end=\"4315\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"4315\" data-end=\"4342\" data-col-size=\"md\"\u003ePool and spa gas heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4343\" data-end=\"4379\"\u003e\n\u003ctd data-start=\"4343\" data-end=\"4357\" data-col-size=\"sm\"\u003eHeater Type\u003c\/td\u003e\n\u003ctd data-start=\"4357\" data-end=\"4379\" data-col-size=\"md\"\u003eNatural gas heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4380\" data-end=\"4407\"\u003e\n\u003ctd data-start=\"4380\" data-end=\"4392\" data-col-size=\"sm\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd data-start=\"4392\" data-end=\"4407\" data-col-size=\"md\"\u003eNatural gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4408\" data-end=\"4435\"\u003e\n\u003ctd data-start=\"4408\" data-end=\"4420\" data-col-size=\"sm\"\u003eBTU Input\u003c\/td\u003e\n\u003ctd data-start=\"4420\" data-end=\"4435\" data-col-size=\"md\"\u003e125,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4436\" data-end=\"4460\"\u003e\n\u003ctd data-start=\"4436\" data-end=\"4448\" data-col-size=\"sm\"\u003eBTU Class\u003c\/td\u003e\n\u003ctd data-start=\"4448\" data-end=\"4460\" data-col-size=\"md\"\u003e125K BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4461\" data-end=\"4542\"\u003e\n\u003ctd data-start=\"4461\" data-end=\"4485\" data-col-size=\"sm\"\u003eRecommended Pool Size\u003c\/td\u003e\n\u003ctd data-start=\"4485\" data-end=\"4542\" data-col-size=\"md\"\u003eUp to approx. 15,000 gallons, depending on conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4543\" data-end=\"4605\"\u003e\n\u003ctd data-start=\"4543\" data-end=\"4559\" data-col-size=\"sm\"\u003eIgnition Type\u003c\/td\u003e\n\u003ctd data-start=\"4559\" data-end=\"4605\" data-col-size=\"md\"\u003eElectronic ignition \/ hot surface ignition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4606\" data-end=\"4657\"\u003e\n\u003ctd data-start=\"4606\" data-end=\"4621\" data-col-size=\"sm\"\u003eControl Type\u003c\/td\u003e\n\u003ctd data-start=\"4621\" data-end=\"4657\" data-col-size=\"md\"\u003eDigital LCD display \/ controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4658\" data-end=\"4702\"\u003e\n\u003ctd data-start=\"4658\" data-end=\"4674\" data-col-size=\"sm\"\u003eControl Panel\u003c\/td\u003e\n\u003ctd data-start=\"4674\" data-end=\"4702\" data-col-size=\"md\"\u003eRotating digital display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4703\" data-end=\"4733\"\u003e\n\u003ctd data-start=\"4703\" data-end=\"4722\" data-col-size=\"sm\"\u003eEmissions Rating\u003c\/td\u003e\n\u003ctd data-start=\"4722\" data-end=\"4733\" data-col-size=\"md\"\u003eLow NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4734\" data-end=\"4793\"\u003e\n\u003ctd data-start=\"4734\" data-end=\"4754\" data-col-size=\"sm\"\u003eCombustion System\u003c\/td\u003e\n\u003ctd data-start=\"4754\" data-end=\"4793\" data-col-size=\"md\"\u003ePre-mixed gas combustion technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4794\" data-end=\"4822\"\u003e\n\u003ctd data-start=\"4794\" data-end=\"4815\" data-col-size=\"sm\"\u003eThermal Efficiency\u003c\/td\u003e\n\u003ctd data-start=\"4815\" data-end=\"4822\" data-col-size=\"md\"\u003e82%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4823\" data-end=\"4876\"\u003e\n\u003ctd data-start=\"4823\" data-end=\"4845\" data-col-size=\"sm\"\u003ePlumbing Connection\u003c\/td\u003e\n\u003ctd data-start=\"4845\" data-end=\"4876\" data-col-size=\"md\"\u003e1-1\/2\" intake and discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4877\" data-end=\"4979\"\u003e\n\u003ctd data-start=\"4877\" data-end=\"4898\" data-col-size=\"sm\"\u003eGas Line Reference\u003c\/td\u003e\n\u003ctd data-start=\"4898\" data-end=\"4979\" data-col-size=\"md\"\u003e3\/4\" gas line up to 50 ft from source, depending on installation requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4980\" data-end=\"5041\"\u003e\n\u003ctd data-start=\"4980\" data-end=\"5003\" data-col-size=\"sm\"\u003eElectrical Reference\u003c\/td\u003e\n\u003ctd data-start=\"5003\" data-end=\"5041\" data-col-size=\"md\"\u003e110V plug-in cord common reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5042\" data-end=\"5095\"\u003e\n\u003ctd data-start=\"5042\" data-end=\"5057\" data-col-size=\"sm\"\u003eCabinet Type\u003c\/td\u003e\n\u003ctd data-start=\"5057\" data-end=\"5095\" data-col-size=\"md\"\u003eCorrosion and UV-resistant housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5096\" data-end=\"5145\"\u003e\n\u003ctd data-start=\"5096\" data-end=\"5117\" data-col-size=\"sm\"\u003eApprox. Dimensions\u003c\/td\u003e\n\u003ctd data-start=\"5117\" data-end=\"5145\" data-col-size=\"md\"\u003e21\" W x 20.85\" D x 23\" H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5146\" data-end=\"5184\"\u003e\n\u003ctd data-start=\"5146\" data-end=\"5160\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-start=\"5160\" data-end=\"5184\" data-col-size=\"md\"\u003ePool and spa heating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5185\" data-end=\"5271\"\u003e\n\u003ctd data-start=\"5185\" data-end=\"5197\" data-col-size=\"sm\"\u003ePool Type\u003c\/td\u003e\n\u003ctd data-start=\"5197\" data-end=\"5271\" data-col-size=\"md\"\u003eSmaller inground pools, above-ground pools, spas, and pool\/spa systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5272\" data-end=\"5355\"\u003e\n\u003ctd data-start=\"5272\" data-end=\"5296\" data-col-size=\"sm\"\u003eInstallation Location\u003c\/td\u003e\n\u003ctd data-start=\"5296\" data-end=\"5355\" data-col-size=\"md\"\u003eOutdoor or approved properly vented indoor installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5356\" data-end=\"5393\"\u003e\n\u003ctd data-start=\"5356\" data-end=\"5377\" data-col-size=\"sm\"\u003eEquipment Category\u003c\/td\u003e\n\u003ctd data-start=\"5377\" data-end=\"5393\" data-col-size=\"md\"\u003ePool heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5394\" data-end=\"5441\"\u003e\n\u003ctd data-start=\"5394\" data-end=\"5434\" data-col-size=\"sm\"\u003eProfessional Installation Recommended\u003c\/td\u003e\n\u003ctd data-start=\"5434\" data-end=\"5441\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"5442\" data-end=\"5460\"\u003e\n\u003ctd data-start=\"5442\" data-end=\"5452\" data-col-size=\"sm\"\u003eSold As\u003c\/td\u003e\n\u003ctd data-start=\"5452\" data-end=\"5460\" 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=\"5462\" data-end=\"5465\"\u003e\n\u003ch2 data-section-id=\"czfsbl\" data-start=\"5467\" data-end=\"5491\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul data-start=\"5492\" data-end=\"5791\"\u003e\n\u003cli data-section-id=\"kn5gar\" data-start=\"5492\" data-end=\"5554\"\u003e1 × Pentair MasterTemp 125 natural gas pool and spa heater\u003c\/li\u003e\n\u003cli data-section-id=\"nh7ro2\" data-start=\"5555\" data-end=\"5592\"\u003eIntegrated digital LCD controller\u003c\/li\u003e\n\u003cli data-section-id=\"19ufw2i\" data-start=\"5593\" data-end=\"5623\"\u003eElectronic ignition system\u003c\/li\u003e\n\u003cli data-section-id=\"1v9z37t\" data-start=\"5624\" data-end=\"5673\"\u003eInternal heat exchanger and combustion system\u003c\/li\u003e\n\u003cli data-section-id=\"oco9vd\" data-start=\"5674\" data-end=\"5738\"\u003ePlug-in power cord, where supplied by manufacturer packaging\u003c\/li\u003e\n\u003cli data-section-id=\"hpnzjy\" data-start=\"5739\" data-end=\"5791\"\u003eManufacturer-supplied installation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5793\" data-end=\"6114\"\u003e\u003cem data-start=\"5793\" data-end=\"6114\"\u003eNatural gas line, gas shutoff valve, regulator if required, electrical outlet, bonding materials, venting components, plumbing valves, unions, check valves, pressure relief valve if required by local code, equipment pad materials, and installation labor are sold separately unless specifically included by the supplier.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"6116\" data-end=\"6119\"\u003e\n\u003ch2 data-section-id=\"1cnlbrc\" data-start=\"6121\" data-end=\"6145\"\u003eCompatibility Notes\u003c\/h2\u003e\n\u003cp data-start=\"6146\" data-end=\"6230\"\u003eThis heater is designed for compatible \u003cstrong data-start=\"6185\" data-end=\"6229\"\u003enatural gas pool and spa heating systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6232\" data-end=\"6270\"\u003eCommon application references include:\u003c\/p\u003e\n\u003cul data-start=\"6272\" data-end=\"6535\"\u003e\n\u003cli data-section-id=\"c00pi7\" data-start=\"6272\" data-end=\"6310\"\u003eSmaller residential inground pools\u003c\/li\u003e\n\u003cli data-section-id=\"hy7o0\" data-start=\"6311\" data-end=\"6333\"\u003eAbove-ground pools\u003c\/li\u003e\n\u003cli data-section-id=\"1ulb2up\" data-start=\"6334\" data-end=\"6355\"\u003eSpas and hot tubs\u003c\/li\u003e\n\u003cli data-section-id=\"1t3xbrq\" data-start=\"6356\" data-end=\"6388\"\u003ePool\/spa combination systems\u003c\/li\u003e\n\u003cli data-section-id=\"490fz4\" data-start=\"6389\" data-end=\"6419\"\u003eNatural gas equipment pads\u003c\/li\u003e\n\u003cli data-section-id=\"rbv41\" data-start=\"6420\" data-end=\"6473\"\u003eReplacing compatible 125K BTU natural gas heaters\u003c\/li\u003e\n\u003cli data-section-id=\"gc8ps4\" data-start=\"6474\" data-end=\"6535\"\u003eSystems requiring compact heater size and 1-1\/2\" plumbing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"6537\" data-end=\"6751\"\u003eAlways confirm fuel type, BTU requirement, gas line sizing, regulator requirements, electrical service, water flow, venting needs, elevation requirements, plumbing size, and local code requirements before ordering.\u003c\/p\u003e\n\u003chr data-start=\"6753\" data-end=\"6756\"\u003e\n\u003ch2 data-section-id=\"1hui92y\" data-start=\"6758\" data-end=\"6781\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-start=\"6782\" data-end=\"7140\"\u003eThis heater must be installed by a qualified pool professional, licensed gas technician, or licensed contractor as required by local code. Proper installation requires correct natural gas supply sizing, gas pressure verification, electrical connection, bonding, grounding, water flow verification, plumbing layout, combustion air, and venting where required.\u003c\/p\u003e\n\u003cp data-start=\"7142\" data-end=\"7270\"\u003eBefore installation, confirm that the fuel type is \u003cstrong data-start=\"7193\" data-end=\"7208\"\u003enatural gas\u003c\/strong\u003e and that the gas supply can support a \u003cstrong data-start=\"7247\" data-end=\"7262\"\u003e125,000 BTU\u003c\/strong\u003e heater.\u003c\/p\u003e\n\u003cp data-start=\"7272\" data-end=\"7518\"\u003eWater chemistry must be maintained within recommended ranges to protect the heater and preserve performance. Improper water balance, poor flow, incorrect gas pressure, or improper installation can damage the heater and may void warranty coverage.\u003c\/p\u003e\n\u003chr data-start=\"7520\" data-end=\"7523\"\u003e\n\u003ch2 data-section-id=\"w1k9cu\" data-start=\"7525\" data-end=\"7549\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-start=\"7551\" data-end=\"7678\"\u003e\u003cstrong data-start=\"7551\" data-end=\"7588\"\u003eQ: What is the Pentair EC-462024?\u003c\/strong\u003e\u003cbr data-start=\"7588\" data-end=\"7591\"\u003eA: It is a Pentair MasterTemp 125 natural gas pool and spa heater rated at 125,000 BTU.\u003c\/p\u003e\n\u003cp data-start=\"7680\" data-end=\"7734\"\u003e\u003cstrong data-start=\"7680\" data-end=\"7703\"\u003eQ: What is the SKU?\u003c\/strong\u003e\u003cbr data-start=\"7703\" data-end=\"7706\"\u003eA: The SKU is \u003cstrong data-start=\"7720\" data-end=\"7733\"\u003eEC-462024\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7736\" data-end=\"7807\"\u003e\u003cstrong data-start=\"7736\" data-end=\"7766\"\u003eQ: What is the UPC \/ GTIN?\u003c\/strong\u003e\u003cbr data-start=\"7766\" data-end=\"7769\"\u003eA: The UPC \/ GTIN is \u003cstrong data-start=\"7790\" data-end=\"7806\"\u003e788379887308\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7809\" data-end=\"7933\"\u003e\u003cstrong data-start=\"7809\" data-end=\"7874\"\u003eQ: What related part numbers are associated with this heater?\u003c\/strong\u003e\u003cbr data-start=\"7874\" data-end=\"7877\"\u003eA: Related references include \u003cstrong data-start=\"7907\" data-end=\"7917\"\u003e462024\u003c\/strong\u003e and \u003cstrong data-start=\"7922\" data-end=\"7932\"\u003e461059\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7935\" data-end=\"8016\"\u003e\u003cstrong data-start=\"7935\" data-end=\"7978\"\u003eQ: What fuel type does this heater use?\u003c\/strong\u003e\u003cbr data-start=\"7978\" data-end=\"7981\"\u003eA: This model uses \u003cstrong data-start=\"8000\" data-end=\"8015\"\u003enatural gas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"8018\" data-end=\"8136\"\u003e\u003cstrong data-start=\"8018\" data-end=\"8050\"\u003eQ: Is this a propane heater?\u003c\/strong\u003e\u003cbr data-start=\"8050\" data-end=\"8053\"\u003eA: No. This is the natural gas model. Propane versions use different model numbers.\u003c\/p\u003e\n\u003cp data-start=\"8138\" data-end=\"8220\"\u003e\u003cstrong data-start=\"8138\" data-end=\"8174\"\u003eQ: How many BTUs is this heater?\u003c\/strong\u003e\u003cbr data-start=\"8174\" data-end=\"8177\"\u003eA: This heater is rated at \u003cstrong data-start=\"8204\" data-end=\"8219\"\u003e125,000 BTU\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"8222\" data-end=\"8422\"\u003e\u003cstrong data-start=\"8222\" data-end=\"8272\"\u003eQ: What size pool is this heater designed for?\u003c\/strong\u003e\u003cbr data-start=\"8272\" data-end=\"8275\"\u003eA: It is commonly recommended for pools up to approximately \u003cstrong data-start=\"8335\" data-end=\"8353\"\u003e15,000 gallons\u003c\/strong\u003e, depending on climate, desired temperature rise, and pool cover use.\u003c\/p\u003e\n\u003cp data-start=\"8424\" data-end=\"8515\"\u003e\u003cstrong data-start=\"8424\" data-end=\"8454\"\u003eQ: Is this heater Low NOx?\u003c\/strong\u003e\u003cbr data-start=\"8454\" data-end=\"8457\"\u003eA: Yes. This model is commonly listed as a Low NOx heater.\u003c\/p\u003e\n\u003cp data-start=\"8517\" data-end=\"8663\"\u003e\u003cstrong data-start=\"8517\" data-end=\"8557\"\u003eQ: Does it have electronic ignition?\u003c\/strong\u003e\u003cbr data-start=\"8557\" data-end=\"8560\"\u003eA: Yes. It uses electronic ignition \/ hot surface ignition and does not require a standing pilot light.\u003c\/p\u003e\n\u003cp data-start=\"8665\" data-end=\"8760\"\u003e\u003cstrong data-start=\"8665\" data-end=\"8702\"\u003eQ: Does it have digital controls?\u003c\/strong\u003e\u003cbr data-start=\"8702\" data-end=\"8705\"\u003eA: Yes. It includes a digital LCD display \/ controller.\u003c\/p\u003e\n\u003cp data-start=\"8762\" data-end=\"8855\"\u003e\u003cstrong data-start=\"8762\" data-end=\"8800\"\u003eQ: What size plumbing does it use?\u003c\/strong\u003e\u003cbr data-start=\"8800\" data-end=\"8803\"\u003eA: It commonly uses \u003cstrong data-start=\"8823\" data-end=\"8854\"\u003e1-1\/2\" plumbing connections\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"8857\" data-end=\"8976\"\u003e\u003cstrong data-start=\"8857\" data-end=\"8887\"\u003eQ: Is this heater compact?\u003c\/strong\u003e\u003cbr data-start=\"8887\" data-end=\"8890\"\u003eA: Yes. The MasterTemp 125 is designed as a compact heater for smaller pools and spas.\u003c\/p\u003e\n\u003cp data-start=\"8978\" data-end=\"9191\"\u003e\u003cstrong data-start=\"8978\" data-end=\"9032\"\u003eQ: Should this heater be professionally installed?\u003c\/strong\u003e\u003cbr data-start=\"9032\" data-end=\"9035\"\u003eA: Yes. Professional installation is strongly recommended because this heater requires proper gas, electrical, plumbing, venting, bonding, 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\/mastertemp-125\/brochure\/mastertemp125-pool-heater-brochure-english.pdf\" target=\"_blank\" rel=\"noopener\"\u003eSell sheet: MasterTemp 125 High Performance Heater - English\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.pentair.com\/content\/dam\/extranet\/nam\/pentair-pool\/residential\/heaters\/mastertemp-125\/manual\/mastertemp125-pool-and-spa-heater-installation-and-users-guide-english.pdf\" target=\"_blank\" rel=\"noopener\"\u003eManual: MasterTemp 125 Heater Installation and User's Guide - English\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":53264571728182,"sku":"EC-462024","price":2249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/PENEC462024_4.avif?v=1775196506","url":"https:\/\/poolsupplydepot.net\/products\/pentair-mastertemp-125-high-performance-heater-125-000-btus-ec-462024","provider":"Pool Supply Depot","version":"1.0","type":"link"}