{"product_id":"pentair-460763-max-e-therm-400k-asme-heater","title":"Pentair | 460763 | Max-E-Therm 400K BTU ASME Commercial Pool Heater, Natural Gas, Cupro-Nickel","description":"\u003cp data-start=\"264\" data-end=\"530\"\u003eThe Pentair 460763 Max-E-Therm ASME Commercial Pool Heater delivers powerful, energy-efficient heating with 400,000 BTU output. Designed for commercial use, it features natural gas operation, cupro-nickel heat exchanger, and ASME certification.\u003c\/p\u003e\n\u003chr data-start=\"532\" data-end=\"535\"\u003e\n\u003cp data-start=\"537\" data-end=\"553\"\u003e\u003cstrong data-start=\"537\" data-end=\"553\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"555\" data-end=\"1320\"\u003e\n\u003cli data-start=\"555\" data-end=\"675\"\u003e\n\u003cp data-start=\"557\" data-end=\"675\"\u003e\u003cstrong data-start=\"557\" data-end=\"585\"\u003eCommercial-Grade Heating\u003c\/strong\u003e – Designed for large commercial pools and spas requiring consistent temperature control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"676\" data-end=\"787\"\u003e\n\u003cp data-start=\"678\" data-end=\"787\"\u003e\u003cstrong data-start=\"678\" data-end=\"700\"\u003e400,000 BTU Output\u003c\/strong\u003e – High-performance heating capacity for rapid temperature rise and energy efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"788\" data-end=\"904\"\u003e\n\u003cp data-start=\"790\" data-end=\"904\"\u003e\u003cstrong data-start=\"790\" data-end=\"808\"\u003eASME Certified\u003c\/strong\u003e – Meets rigorous safety and durability standards required for commercial aquatic applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"905\" data-end=\"1006\"\u003e\n\u003cp data-start=\"907\" data-end=\"1006\"\u003e\u003cstrong data-start=\"907\" data-end=\"932\"\u003eNatural Gas Operation\u003c\/strong\u003e – Reliable fuel source for continuous heating in demanding environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1007\" data-end=\"1124\"\u003e\n\u003cp data-start=\"1009\" data-end=\"1124\"\u003e\u003cstrong data-start=\"1009\" data-end=\"1040\"\u003eCupro-Nickel Heat Exchanger\u003c\/strong\u003e – Enhanced corrosion resistance for extended life in challenging water conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1125\" data-end=\"1222\"\u003e\n\u003cp data-start=\"1127\" data-end=\"1222\"\u003e\u003cstrong data-start=\"1127\" data-end=\"1145\"\u003eCompact Design\u003c\/strong\u003e – Space-saving footprint with easy access for installation and maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1223\" data-end=\"1320\"\u003e\n\u003cp data-start=\"1225\" data-end=\"1320\"\u003e\u003cstrong data-start=\"1225\" data-end=\"1244\"\u003eDigital Display\u003c\/strong\u003e – User-friendly interface for precise temperature and diagnostic controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1322\" data-end=\"1325\"\u003e\n\u003cp data-start=\"1327\" data-end=\"1347\"\u003e\u003cstrong data-start=\"1327\" data-end=\"1347\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1349\" data-end=\"1699\"\u003eThe Pentair 460763 Max-E-Therm ASME Commercial Pool Heater is built to handle the rigorous demands of commercial aquatic facilities, including hotels, fitness centers, schools, and public pools. With a powerful 400,000 BTU output, this natural gas heater provides fast, efficient heating to maintain optimal water temperatures even during peak usage.\u003c\/p\u003e\n\u003cp data-start=\"1701\" data-end=\"2039\"\u003eEngineered for durability, the unit features a corrosion-resistant cupro-nickel heat exchanger that performs reliably in harsh water environments, including those with high flow rates or low pH levels. ASME certification ensures compliance with commercial safety and construction standards, making it suitable for regulated installations.\u003c\/p\u003e\n\u003cp data-start=\"2041\" data-end=\"2393\"\u003eIts compact, lightweight design allows for flexible placement and straightforward servicing, while the integrated digital display provides clear control over system operation and diagnostics. For commercial pool operators seeking a dependable, high-capacity heating solution, the Max-E-Therm 460763 delivers performance, reliability, and peace of mind.\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=\"324\"\u003e\u003cstrong data-start=\"79\" data-end=\"146\"\u003eQ: What is the Pentair 460763 Max-E-Therm ASME heater used for?\u003c\/strong\u003e\u003cbr data-start=\"146\" data-end=\"149\"\u003eA: The Pentair 460763 is a 400,000 BTU natural gas pool and spa heater designed for commercial and large residential applications that require high-capacity, reliable heating.\u003c\/p\u003e\n\u003chr data-start=\"326\" data-end=\"329\"\u003e\n\u003cp data-start=\"331\" data-end=\"503\"\u003e\u003cstrong data-start=\"331\" data-end=\"375\"\u003eQ: Is the Pentair 460763 ASME certified?\u003c\/strong\u003e\u003cbr data-start=\"375\" data-end=\"378\"\u003eA: Yes. This model is ASME certified, making it suitable for commercial installations and code-required pool heating systems.\u003c\/p\u003e\n\u003chr data-start=\"505\" data-end=\"508\"\u003e\n\u003cp data-start=\"510\" data-end=\"669\"\u003e\u003cstrong data-start=\"510\" data-end=\"562\"\u003eQ: Is the Pentair 460763 natural gas or propane?\u003c\/strong\u003e\u003cbr data-start=\"562\" data-end=\"565\"\u003eA: This model is designed for natural gas. Propane versions are available under different model numbers.\u003c\/p\u003e\n\u003chr data-start=\"671\" data-end=\"674\"\u003e\n\u003cp data-start=\"676\" data-end=\"899\"\u003e\u003cstrong data-start=\"676\" data-end=\"729\"\u003eQ: What size pool is the Pentair 460763 best for?\u003c\/strong\u003e\u003cbr data-start=\"729\" data-end=\"732\"\u003eA: This 400K BTU heater is best for large pools, commercial pools, spas, and high-demand pool\/spa systems that require fast heat-up and consistent temperature control.\u003c\/p\u003e\n\u003chr data-start=\"901\" data-end=\"904\"\u003e\n\u003cp data-start=\"906\" data-end=\"1106\"\u003e\u003cstrong data-start=\"906\" data-end=\"956\"\u003eQ: Is the Pentair 460763 Max-E-Therm worth it?\u003c\/strong\u003e\u003cbr data-start=\"956\" data-end=\"959\"\u003eA: Yes. It is a high-performance commercial-grade heater offering ASME certification, strong heating output, and durable cupro-nickel construction.\u003c\/p\u003e\n\u003chr data-start=\"1108\" data-end=\"1111\"\u003e\n\u003cp data-start=\"1113\" data-end=\"1370\"\u003e\u003cstrong data-start=\"1113\" data-end=\"1171\"\u003eQ: Is the Pentair 460763 suitable for saltwater pools?\u003c\/strong\u003e\u003cbr data-start=\"1171\" data-end=\"1174\"\u003eA: Yes. The cupro-nickel heat exchanger provides enhanced resistance to corrosion, making it suitable for saltwater and chemically treated pool systems when water chemistry is properly maintained.\u003c\/p\u003e\n\u003chr data-start=\"1372\" data-end=\"1375\"\u003e\n\u003cp data-start=\"1377\" data-end=\"1612\"\u003e\u003cstrong data-start=\"1377\" data-end=\"1442\"\u003eQ: Does the Pentair 460763 require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1442\" data-end=\"1445\"\u003eA: Yes. Professional installation is required due to natural gas sizing, plumbing connections, electrical setup, venting, ASME requirements, and local code compliance.\u003c\/p\u003e\n\u003chr data-start=\"1614\" data-end=\"1617\"\u003e\n\u003cp data-start=\"1619\" data-end=\"1879\"\u003e\u003cstrong data-start=\"1619\" data-end=\"1692\"\u003eQ: Can the Pentair 460763 replace my existing commercial pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1692\" data-end=\"1695\"\u003eA: Yes. It can replace many commercial or large residential heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, venting, and installation requirements.\u003c\/p\u003e\n\u003chr data-start=\"1881\" data-end=\"1884\"\u003e\n\u003cp data-start=\"1886\" data-end=\"2098\"\u003e\u003cstrong data-start=\"1886\" data-end=\"1953\"\u003eQ: Can the Pentair 460763 be used with pool automation systems?\u003c\/strong\u003e\u003cbr data-start=\"1953\" data-end=\"1956\"\u003eA: Yes. The digital control system supports integration with many pool automation systems for monitoring, scheduling, and temperature control.\u003c\/p\u003e\n\u003chr data-start=\"2100\" data-end=\"2103\"\u003e\n\u003cp data-start=\"2105\" data-end=\"2331\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2105\" data-end=\"2180\"\u003eQ: When should I choose the Pentair 460763 instead of a smaller heater?\u003c\/strong\u003e\u003cbr data-start=\"2180\" data-end=\"2183\"\u003eA: Choose this 400K BTU model if you have a large pool or commercial facility that requires maximum heating capacity and faster heat-up performance.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49181648453944,"sku":"460763","price":4770.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/6319\/9544\/files\/460763.png?v=1777922252","url":"https:\/\/appaetechpoolsupply.com\/products\/pentair-460763-max-e-therm-400k-asme-heater","provider":"AppaeTech Pool Supply","version":"1.0","type":"link"}