{"product_id":"raypak-digital-p-r406a-en-x-51-399k-btu-natural-gas-cupronickel-pool-heater","title":"Raypak Digital P-R406A-EN-X #51 399k BTU Natural Gas Cupronickel Pool Heater","description":"\u003ch2\u003e\u003cstrong\u003eRaypak P-R406A-EN-X #51 399,000 BTU Natural Gas Cupronickel Heater\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Raypak P-R406A-EN-X #51 is a 399,000 BTU natural gas pool and spa heater designed for maximum heating output at elevations between 2,000 and 5,999 feet. Ideal for large residential pools and spas, this model delivers fast heat-up times and consistent temperature performance.\u003c\/p\u003e\n\u003cp\u003eEquipped with a cupronickel fin tube heat exchanger, this heater provides superior resistance to corrosion and chemical wear, making it well suited for saltwater pools and demanding environments.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eMaximum Output Heating with Reliable Digital Control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe #51 configuration ensures proper combustion at higher elevations, maintaining efficiency and consistent operation. The digital control panel allows for precise temperature adjustment, while the electronic ignition system provides dependable startup.\u003c\/p\u003e\n\u003cp\u003eThe cupronickel heat exchanger protects against corrosion and erosion, helping extend the lifespan of the heater and reduce maintenance requirements.\u003c\/p\u003e\n\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e399,000 BTU heating capacity for large pools and spas\u003c\/li\u003e\n\u003cli\u003e#51 configuration for 2,000 to 5,999 ft elevation\u003c\/li\u003e\n\u003cli\u003eNatural gas powered for high-output heating\u003c\/li\u003e\n\u003cli\u003eCupronickel heat exchanger for enhanced durability\u003c\/li\u003e\n\u003cli\u003eDigital control panel with precise temperature adjustment\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\u003eSupports up to 100 GPM water flow\u003c\/li\u003e\n\u003cli\u003eCategory I venting compatibility\u003c\/li\u003e\n\u003cli\u003eIdeal for saltwater and high-demand pool systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eAbout the Raypak Digital Cupronickel Series\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eRaypak Digital Cupronickel pool heaters are designed for reliable, high-performance heating in residential and light commercial pool applications where added durability is required. Built with a cupronickel fin tube heat exchanger, these heaters offer enhanced resistance to corrosion and chemical wear, making them ideal for saltwater and aggressively treated pool systems. The natural gas configuration provides consistent and cost-effective heating, while Raypak’s proven atmospheric burner design ensures stable outdoor operation. Available in multiple elevation configurations, the Digital Series maintains proper combustion and performance at varying altitudes. With a microprocessor-controlled thermostat, electronic ignition, and fast heat-up capability, Raypak Digital Cupronickel heaters deliver precise temperature control and long-term dependable performance.\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":52229543756050,"sku":"014941","price":4540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/DigitalGas_HDR_Raypak_facing_2025-middle_caafceec-40fb-461d-b0d6-faaa429d21b2.png?v=1777438437","url":"https:\/\/www.aquaterrabackyard.com\/products\/raypak-digital-p-r406a-en-x-51-399k-btu-natural-gas-cupronickel-pool-heater","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}