{"product_id":"hayward-h400fdpasme-universal-h-series-asme-400-000-btu-propane-gas-low-nox","title":"Hayward 400,000 BTU - Propane Gas, Low NOx, | H400FDPASME | Universal H-Series ASME","description":"\u003cp data-start=\"112\" data-end=\"757\"\u003eThe Hayward H400FDPASME Universal H-Series ASME Heater is a 400,000 BTU commercial-grade propane gas unit engineered for superior performance, durability, and energy efficiency in demanding aquatic environments. Certified for commercial use, this Low NOx heater combines industry-leading hydraulics, advanced construction materials, and reliable operation to deliver fast, consistent heating for pools and spas. Featuring a Cupro-Nickel Finn Plate™ heat exchanger with a bronze header and flexible plumbing and electrical connections, the H-Series ASME heater is ideal for both new installations and equipment room retrofits.\u003c\/p\u003e\n\u003chr data-start=\"759\" data-end=\"762\"\u003e\n\u003cp data-start=\"764\" data-end=\"782\"\u003e\u003cstrong data-start=\"764\" data-end=\"780\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"783\" data-end=\"2168\"\u003e\n\u003cli data-start=\"783\" data-end=\"947\"\u003e\n\u003cp data-start=\"785\" data-end=\"947\"\u003ePatented Cupro-Nickel Finn Plate™ heat exchanger with a heavy-duty bronze header provides exceptional corrosion resistance and long-lasting thermal performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"1090\"\u003e\n\u003cp data-start=\"950\" data-end=\"1090\"\u003eLow NOx burner system supports environmentally friendly operation while delivering rapid and efficient heat-up times for commercial pools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1091\" data-end=\"1231\"\u003e\n\u003cp data-start=\"1093\" data-end=\"1231\"\u003eASME certified with a factory-installed ASME pressure relief valve, ensuring compliance with commercial safety and regulatory standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1232\" data-end=\"1379\"\u003e\n\u003cp data-start=\"1234\" data-end=\"1379\"\u003eIndependent left or right-side connections for electrical, water, and gas lines simplify installation and maximize mechanical room flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1380\" data-end=\"1518\"\u003e\n\u003cp data-start=\"1382\" data-end=\"1518\"\u003eEquipped with large 2\" x 2½\" CPVC flanged connections designed to accommodate high-flow commercial hydraulics with minimal resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1665\"\u003e\n\u003cp data-start=\"1521\" data-end=\"1665\"\u003eElectronic lock-out protects configuration settings from unauthorized access, improving operational security in public and managed facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1666\" data-end=\"1819\"\u003e\n\u003cp data-start=\"1668\" data-end=\"1819\"\u003eSimplified service with single front-panel access, easy gas valve adjustment, and fuse-protected circuit boards that support dual-voltage conversion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1820\" data-end=\"1944\"\u003e\n\u003cp data-start=\"1822\" data-end=\"1944\"\u003eCompatible with additional H-Series commercial models in 250k, 400k, and 500k BTU propane or natural gas configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1945\" data-end=\"2033\"\u003e\n\u003cp data-start=\"1947\" data-end=\"2033\"\u003eOptional Texas Heater Kits available for regional compliance in specialized markets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2034\" data-end=\"2168\"\u003e\n\u003cp data-start=\"2036\" data-end=\"2168\"\u003eCommercial-grade construction ensures dependable, high-performance heating that stands up to heavy use and harsh water conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2170\" data-end=\"2173\"\u003e\n\u003cp data-start=\"2175\" data-end=\"2791\"\u003e\u003cstrong data-start=\"2175\" data-end=\"2195\"\u003eProduct Overview\u003c\/strong\u003e\u003cbr data-start=\"2195\" data-end=\"2198\"\u003eThe Hayward H400FDPASME Universal H-Series ASME Heater delivers powerful, reliable heating performance for commercial pools, spas, hotels, aquatic centers, and high-end facilities using propane gas. Engineered around a robust Cupro-Nickel Finn Plate™ heat exchanger, the unit provides superior resistance to corrosion and chemical wear—making it ideal for demanding commercial water conditions. Its flexible plumbing and gas connection options allow seamless integration into existing equipment rooms, while the Low NOx burner minimizes environmental impact without compromising heat output.\u003c\/p\u003e\n\u003cp data-start=\"2793\" data-end=\"3310\"\u003eService and maintenance are simplified through front-panel access, intuitive adjustments, and protected electronics, giving technicians a user-friendly platform that minimizes downtime. With its strong BTU output and advanced hydraulics, the H400FDPASME provides efficient, fast heating for large-volume applications. Built for long-term reliability, safety, and energy efficiency, it stands as a top choice for facilities seeking a proven, commercial-grade propane heater with premium construction and performance.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":44123080294443,"sku":"H400FDPASME","price":4899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/IMG_1582_clipped_02_Commercial_Heater_copy_292d_8b749a1a-3c99-46aa-a6df-a465c77e4449.webp?v=1779703889","url":"https:\/\/auremontdirect.com\/products\/hayward-h400fdpasme-universal-h-series-asme-400-000-btu-propane-gas-low-nox","provider":"Auremont Direct","version":"1.0","type":"link"}