{"product_id":"raypak-lonox-asme-b-r337a-en-c-26-332k-btu-natural-gas-copper-pool-heater","title":"Raypak LoNOx ASME B-R337A-EN-C #26 332k BTU Natural Gas Copper Pool Heater","description":"\u003ch2\u003e\u003cstrong\u003eRaypak B-R337A-EN-C #26 332,000 BTU Natural Gas Copper Heater\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Raypak B-R337A-EN-C #26 is a 332,000 BTU natural gas pool and spa heater engineered for high-performance heating in low NOx compliant residential and commercial environments. Designed for medium to large pools, this model delivers fast heat-up and consistent temperature control using a copper fin tube heat exchanger.\u003c\/p\u003e\n\u003cp\u003eAs part of Raypak’s Professional Series, this heater features a rugged cabinet and upgraded internal components built for long-term durability in outdoor applications.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eHigh Output Low NOx Heating with Professional Reliability\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe #26 configuration is designed to meet low NOx emission requirements while maintaining efficient combustion and stable performance. The digital control system allows for precise temperature adjustment, while the electronic ignition system ensures reliable startup.\u003c\/p\u003e\n\u003cp\u003eThe copper heat exchanger provides excellent thermal efficiency and dependable heating performance for demanding pool systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e332,000 BTU heating capacity for medium to large pools and spas\u003c\/li\u003e\n\u003cli\u003e#26 low NOx configuration for emission compliance\u003c\/li\u003e\n\u003cli\u003eNatural gas powered heater\u003c\/li\u003e\n\u003cli\u003eCopper fin tube heat exchanger for efficient performance\u003c\/li\u003e\n\u003cli\u003eProfessional Series construction for durability\u003c\/li\u003e\n\u003cli\u003eDigital control panel with microprocessor thermostat\u003c\/li\u003e\n\u003cli\u003eElectronic ignition system with no standing pilot\u003c\/li\u003e\n\u003cli\u003eApproximately 82% thermal efficiency\u003c\/li\u003e\n\u003cli\u003eWind-resistant cabinet for outdoor installations\u003c\/li\u003e\n\u003cli\u003eIdeal for high-demand regulated pool systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eAbout the Raypak LoNox ASME Series\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eRaypak LoNox ASME pool heaters are engineered for commercial-grade performance while meeting strict low NOx emission requirements for environmentally regulated regions. Designed in accordance with ASME standards, these heaters feature heavy-duty construction and robust internal components built to handle continuous operation and higher pressure systems. Available with both copper and cupronickel heat exchangers, the LoNox ASME Series offers flexibility for standard and saltwater pool environments, with cupronickel providing enhanced resistance to corrosion and chemical wear. The natural gas configuration delivers efficient and consistent heating, while Raypak’s advanced low NOx burner system reduces emissions without sacrificing performance. With precise digital controls, electronic ignition, and dependable operation, the LoNox ASME Series is an ideal solution for commercial and large residential pool applications in regulated markets.\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":52229547491602,"sku":"017707","price":4711.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/digital-gas-low-nox-asme-pool-spa-heater_be7fbf60-067d-4c45-96be-03459119a33a.png?v=1777438518","url":"https:\/\/www.aquaterrabackyard.com\/products\/raypak-lonox-asme-b-r337a-en-c-26-332k-btu-natural-gas-copper-pool-heater","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}