{"product_id":"pentair-460775-mastertemp-400k-asme-gas-heater","title":"Pentair | 460775 | 400K BTU MasterTemp  ASME Natural Gas Pool Heater – Commercial Grade.","description":"\u003cp data-start=\"263\" data-end=\"474\"\u003eThe Pentair 460775 MasterTemp 400,000 BTU ASME Natural Gas Pool Heater provides powerful, reliable heating for large pools. Engineered for energy efficiency and commercial-grade durability.\u003c\/p\u003e\n\u003chr data-start=\"476\" data-end=\"479\"\u003e\n\u003cp data-start=\"481\" data-end=\"497\"\u003e\u003cstrong data-start=\"481\" data-end=\"497\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"499\" data-end=\"1181\"\u003e\n\u003cli data-start=\"499\" data-end=\"599\"\u003e\n\u003cp data-start=\"501\" data-end=\"599\"\u003e\u003cstrong data-start=\"501\" data-end=\"533\"\u003e400,000 BTU Heating Capacity\u003c\/strong\u003e – Ideal for large residential and commercial pool heating needs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"600\" data-end=\"702\"\u003e\n\u003cp data-start=\"602\" data-end=\"702\"\u003e\u003cstrong data-start=\"602\" data-end=\"620\"\u003eASME Certified\u003c\/strong\u003e – Meets commercial safety and construction standards for certified applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"703\" data-end=\"798\"\u003e\n\u003cp data-start=\"705\" data-end=\"798\"\u003e\u003cstrong data-start=\"705\" data-end=\"730\"\u003eNatural Gas Operation\u003c\/strong\u003e – Efficient fuel source delivering consistent heating performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"799\" data-end=\"897\"\u003e\n\u003cp data-start=\"801\" data-end=\"897\"\u003e\u003cstrong data-start=\"801\" data-end=\"828\"\u003eHigh-Performance Design\u003c\/strong\u003e – Rapid warm-up and stable temperature control for optimal comfort\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"898\" data-end=\"990\"\u003e\n\u003cp data-start=\"900\" data-end=\"990\"\u003e\u003cstrong data-start=\"900\" data-end=\"920\"\u003eEnergy Efficient\u003c\/strong\u003e – Designed to maximize fuel savings while maintaining heating power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"991\" data-end=\"1078\"\u003e\n\u003cp data-start=\"993\" data-end=\"1078\"\u003e\u003cstrong data-start=\"993\" data-end=\"1010\"\u003eDurable Build\u003c\/strong\u003e – Constructed for long-term use in demanding outdoor environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1079\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1081\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1081\" data-end=\"1110\"\u003eDigital Control Interface\u003c\/strong\u003e – Simple and precise temperature adjustment with diagnostic features\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1183\" data-end=\"1186\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1208\"\u003e\u003cstrong data-start=\"1188\" data-end=\"1208\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1210\" data-end=\"1568\"\u003eThe Pentair 460775 MasterTemp 400K BTU ASME Natural Gas Pool Heater is a robust heating solution tailored for large pools requiring commercial-grade performance and reliability. With its 400,000 BTU capacity and ASME certification, it complies with stringent safety and construction standards necessary for commercial or high-demand residential applications.\u003c\/p\u003e\n\u003cp data-start=\"1570\" data-end=\"1821\"\u003ePowered by natural gas, this heater provides fast heat-up times and consistent temperature maintenance, ensuring comfortable pool conditions year-round. Its energy-efficient design helps reduce operating costs without compromising heating performance.\u003c\/p\u003e\n\u003cp data-start=\"1823\" data-end=\"2121\"\u003eBuilt for durability, the MasterTemp 460775 withstands harsh outdoor conditions and extended use, making it an excellent choice for demanding pool environments. The digital control panel allows for easy operation, precise temperature settings, and system diagnostics to support routine maintenance.\u003c\/p\u003e\n\u003cp data-start=\"2123\" data-end=\"2297\"\u003eFor pool owners and operators seeking a high-capacity, energy-efficient, and reliable heating system, the Pentair 460775 MasterTemp offers a trusted, commercial-grade option.\u003cbr\u003e\u003cbr\u003e\u003c\/p\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=\"305\"\u003e\u003cstrong data-start=\"79\" data-end=\"145\"\u003eQ: What is the Pentair 460775 MasterTemp ASME heater used for?\u003c\/strong\u003e\u003cbr data-start=\"145\" data-end=\"148\"\u003eA: The Pentair 460775 is a 400,000 BTU natural gas pool and spa heater designed for large residential, commercial, and high-demand pool heating applications.\u003c\/p\u003e\n\u003chr data-start=\"307\" data-end=\"310\"\u003e\n\u003cp data-start=\"312\" data-end=\"482\"\u003e\u003cstrong data-start=\"312\" data-end=\"356\"\u003eQ: Is the Pentair 460775 ASME certified?\u003c\/strong\u003e\u003cbr data-start=\"356\" data-end=\"359\"\u003eA: Yes. This model is ASME certified, making it suitable for commercial-grade and code-required pool heating installations.\u003c\/p\u003e\n\u003chr data-start=\"484\" data-end=\"487\"\u003e\n\u003cp data-start=\"489\" data-end=\"655\"\u003e\u003cstrong data-start=\"489\" data-end=\"541\"\u003eQ: Is the Pentair 460775 natural gas or propane?\u003c\/strong\u003e\u003cbr data-start=\"541\" data-end=\"544\"\u003eA: This model is designed for natural gas. Propane versions are available under different Pentair part numbers.\u003c\/p\u003e\n\u003chr data-start=\"657\" data-end=\"660\"\u003e\n\u003cp data-start=\"662\" data-end=\"880\"\u003e\u003cstrong data-start=\"662\" data-end=\"715\"\u003eQ: What size pool is the Pentair 460775 best for?\u003c\/strong\u003e\u003cbr data-start=\"715\" data-end=\"718\"\u003eA: This 400K BTU heater is best for large pools, spas, commercial facilities, and pool\/spa combinations that need fast heat-up and consistent temperature control.\u003c\/p\u003e\n\u003chr data-start=\"882\" data-end=\"885\"\u003e\n\u003cp data-start=\"887\" data-end=\"1109\"\u003e\u003cstrong data-start=\"887\" data-end=\"936\"\u003eQ: Is the Pentair 460775 MasterTemp worth it?\u003c\/strong\u003e\u003cbr data-start=\"936\" data-end=\"939\"\u003eA: Yes. It is a strong option for customers who need ASME-certified construction, high BTU output, natural gas heating, digital controls, and commercial-grade durability.\u003c\/p\u003e\n\u003chr data-start=\"1111\" data-end=\"1114\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1343\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1181\"\u003eQ: Does the Pentair 460775 require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1181\" data-end=\"1184\"\u003eA: Yes. Professional installation is recommended due to natural gas sizing, electrical wiring, plumbing, venting, ASME requirements, and local code compliance.\u003c\/p\u003e\n\u003chr data-start=\"1345\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1350\" data-end=\"1611\"\u003e\u003cstrong data-start=\"1350\" data-end=\"1423\"\u003eQ: Can the Pentair 460775 replace my existing commercial pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1423\" data-end=\"1426\"\u003eA: Yes. It can replace many existing commercial or large residential heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, venting, and code requirements.\u003c\/p\u003e\n\u003chr data-start=\"1613\" data-end=\"1616\"\u003e\n\u003cp data-start=\"1618\" data-end=\"1828\"\u003e\u003cstrong data-start=\"1618\" data-end=\"1685\"\u003eQ: Can the Pentair 460775 be used with pool automation systems?\u003c\/strong\u003e\u003cbr data-start=\"1685\" data-end=\"1688\"\u003eA: Yes. The digital control system can integrate with many compatible pool automation systems for temperature control and system monitoring.\u003c\/p\u003e\n\u003chr data-start=\"1830\" data-end=\"1833\"\u003e\n\u003cp data-start=\"1835\" data-end=\"2022\"\u003e\u003cstrong data-start=\"1835\" data-end=\"1881\"\u003eQ: Is the Pentair 460775 energy efficient?\u003c\/strong\u003e\u003cbr data-start=\"1881\" data-end=\"1884\"\u003eA: Yes. The MasterTemp platform is designed for efficient operation, helping provide strong heating performance while managing fuel usage.\u003c\/p\u003e\n\u003chr data-start=\"2024\" data-end=\"2027\"\u003e\n\u003cp data-start=\"2029\" data-end=\"2244\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2029\" data-end=\"2104\"\u003eQ: When should I choose the Pentair 460775 instead of a smaller heater?\u003c\/strong\u003e\u003cbr data-start=\"2104\" data-end=\"2107\"\u003eA: Choose this 400K BTU model if you have a large pool, commercial facility, attached spa, or need faster heat-up than lower BTU heaters.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49181647470904,"sku":"460775","price":5299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6319\/9544\/files\/460775.png?v=1777922237","url":"https:\/\/appaetechpoolsupply.com\/products\/pentair-460775-mastertemp-400k-asme-gas-heater","provider":"AppaeTech Pool Supply","version":"1.0","type":"link"}