{"product_id":"raypak-337a-low-nox-natural-gas-pool-heater-cuni-332k-btu-ray-15-0320","title":"Raypak 337A Low NOx Natural Gas Pool Heater CuNi 332K BTU | RAY-15-0320","description":"\u003ch2\u003eRaypak 337A Low NOx Natural Gas Pool Heater CuNi 332K BTU | RAY-15-0320\u003c\/h2\u003e\n\u003cp\u003eRaypak 337A Low NOx natural gas pool heater with 332K BTU output, cupronickel heat exchanger, bronze headers, and digital controls.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e332,500 BTU heating output for rapid pool and spa heat-up.\u003c\/li\u003e\n\u003cli\u003eCupronickel heat exchanger offers enhanced corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e#26 bronze headers improve durability and water flow reliability.\u003c\/li\u003e\n\u003cli\u003eLow NOx combustion design meets emissions regulations.\u003c\/li\u003e\n\u003cli\u003eDigital control interface simplifies temperature management.\u003c\/li\u003e\n\u003cli\u003eNatural gas burner system provides dependable heating performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Raypak 337A Low NOx Digital Natural Gas Heater delivers strong heating performance with 332,500 BTU output, making it well suited for mid-to-large residential pools and spa combinations.\u003c\/p\u003e\n\u003cp\u003eThis model features a cupronickel heat exchanger that provides improved corrosion resistance compared to standard copper designs. The CuNi construction helps protect against aggressive water chemistry, salt systems, and high-flow pool equipment setups.\u003c\/p\u003e\n\u003cp\u003eThe #26 bronze header configuration enhances system durability and reliability. Combined with Raypak’s proven atmospheric burner design, the heater provides stable heating performance and dependable operation.\u003c\/p\u003e\n\u003cp\u003eA digital control interface allows users to easily adjust temperatures and monitor system operation. The Low NOx combustion system helps meet emissions requirements in regulated regions.\u003c\/p\u003e\n\u003cp\u003eBuilt with Raypak’s rugged cabinet design and service-friendly layout, the 337A heater is engineered for long-term reliability in demanding pool environments.\u003c\/p\u003e\n\u003ch3\u003ePro Tip\u003c\/h3\u003e\n\u003cp\u003eIf your pool uses a saltwater chlorinator, a cupronickel heat exchanger provides better long-term resistance to corrosion than standard copper heat exchangers.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cp\u003eInstall the heater on a level equipment pad with proper natural gas supply and ventilation clearances. Ensure water flow requirements are met and verify electrical and automation compatibility prior to installation.\u003c\/p\u003e","brand":"RayPak","offers":[{"title":"Default Title","offer_id":42227220349013,"sku":"RAY-15-0320","price":5119.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0105\/0837\/0005\/files\/Heater_e889a6c2-d8b6-4d78-aafb-b582fcfb9246.jpg?v=1773182989","url":"https:\/\/www.epoolsupply.com\/products\/raypak-337a-low-nox-natural-gas-pool-heater-cuni-332k-btu-ray-15-0320","provider":"ePoolSupply","version":"1.0","type":"link"}