{"product_id":"raypak-407a-low-nox-natural-gas-pool-heater-cuni-399k-btu-ray-15-0321","title":"Raypak 407A Low NOx Natural Gas Pool Heater CuNi 399K BTU | RAY-15-0321","description":"\u003ch2\u003eRaypak 407A Low NOx Natural Gas Pool Heater CuNi 399K BTU | RAY-15-0321\u003c\/h2\u003e\n\u003cp\u003eRaypak 407A Low NOx natural gas pool heater with 399K BTU output, CuNi heat exchanger, bronze headers, and digital controls.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e399,000 BTU heating output for rapid pool and spa heat-up.\u003c\/li\u003e\n\u003cli\u003eCupronickel heat exchanger provides superior corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e#26 bronze headers improve durability and flow reliability.\u003c\/li\u003e\n\u003cli\u003eLow NOx combustion system designed to meet emissions regulations.\u003c\/li\u003e\n\u003cli\u003eDigital control interface for precise temperature adjustment.\u003c\/li\u003e\n\u003cli\u003eNatural gas burner system delivers reliable heating performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Raypak 407A Low NOx Digital Natural Gas Heater delivers high-performance pool heating with 399,000 BTU output, making it ideal for large residential pools and demanding pool environments.\u003c\/p\u003e\n\u003cp\u003eThis model features a cupronickel heat exchanger designed to provide superior corrosion resistance compared to standard copper exchangers. The CuNi material helps protect the heater from aggressive water chemistry, salt exposure, and high-flow conditions.\u003c\/p\u003e\n\u003cp\u003eThe #26 bronze header configuration enhances durability and long-term reliability, making the heater well suited for installations where stronger components are preferred.\u003c\/p\u003e\n\u003cp\u003eA digital control interface allows easy temperature adjustments and system monitoring, while the Low NOx combustion system helps meet emissions regulations in controlled air quality regions.\u003c\/p\u003e\n\u003cp\u003eBuilt with Raypak’s proven atmospheric burner design and rugged cabinet construction, the 407A heater provides dependable heating performance for residential and commercial-style pool systems.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eIf your pool uses a salt chlorinator or experiences aggressive water chemistry, a cupronickel heat exchanger offers improved protection against corrosion and premature heat exchanger wear.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eInstall on a level equipment pad with proper natural gas supply and ventilation clearances. Ensure plumbing connections match heater flow requirements and confirm electrical and automation compatibility before installation.\u003c\/p\u003e","brand":"RayPak","offers":[{"title":"Default Title","offer_id":42227202228309,"sku":"RAY-15-0321","price":5696.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0105\/0837\/0005\/files\/Heater_425d62fd-de3d-4df0-9bce-f6d7be650a8f.jpg?v=1773182361","url":"https:\/\/www.epoolsupply.com\/products\/raypak-407a-low-nox-natural-gas-pool-heater-cuni-399k-btu-ray-15-0321","provider":"ePoolSupply","version":"1.0","type":"link"}