{"product_id":"raypak-013731-asme-natural-gas-pool-and-spa-heater-406k-btu","title":"RAYPAK 408 013731 ASME NATURAL GAS POOL \u0026 SPA HEATER – 408K BTU, BRONZE HEADERS, CUPRO-NICKEL HEAT EXCHANGER","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 29\" W × 28\" D × 40\" H\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHeating Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 399,000 BTU\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eFuel Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural Gas\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHeat Exchanger:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Cupro-Nickel Fin Tube\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eHeader Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Bronze (ASME)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eIgnition Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Digital Electronic Spark-to-Pilot Ignition\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eElevation Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 0–2,000 Feet\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRaypak 013731 B-R408-EN-X #50 Professional ASME Digital Natural Gas Pool \u0026amp; Spa Heater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is engineered for commercial and high-demand residential applications requiring exceptional durability, dependable heating performance, and ASME-certified construction. Featuring a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e399,000 BTU input\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a premium \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel fin tube heat exchanger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with .065\" tubing walls, heavy-duty \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebronze headers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and electronic spark-to-pilot ignition, this heater delivers fast, efficient water heating while meeting stringent ASME standards for commercial installations. Designed for elevations from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0 to 2,000 feet above sea level\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it is an ideal solution for hotels, apartment complexes, HOAs, aquatic facilities, fitness centers, and demanding residential pool and spa systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt with stainless steel construction throughout and Raypak's rugged, corrosion-resistant cabinet, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eB-R408-EN-X #50\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed to withstand harsh outdoor environments while providing years of dependable service. A factory-installed flow switch and temperature\/pressure gauge come pre-wired as standard equipment, and protective wire-harness sheathing shields internal wiring from moisture and abrasion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOperation is managed through Raypak's microprocessor controls with digital display, paired with a Condensation Defense system and Unitherm governor that prevent internal condensation buildup. The robust, self-adjusting burner design and stainless steel burner tray keep combustion consistent, and the unit is fully compatible with salt-chlorine generator systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e399,000 BTU input for fast, reliable heat recovery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCupro-nickel fin tube heat exchanger with .065\" tubing walls resists corrosion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeavy-duty bronze headers rated for ASME commercial service\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElectronic spark-to-pilot ignition for reliable startup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMicroprocessor controls with digital display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePre-wired flow switch and T\u0026amp;P gauge included as standard equipment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondensation Defense system with Unitherm governor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProtective wire-harness sheathing for long-term reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRobust, self-adjusting burner design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStainless steel burner tray and stainless steel construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSalt-chlorine generator compatible\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e82% thermal efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRaypak\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eB-R408-EN-X #50\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePart Number \/ SKU\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e013731\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFuel Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNatural Gas\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeating Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e399,000 BTU\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eThermal Efficiency\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e82%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeat Exchanger\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCupro-Nickel Fin Tube\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeader Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBronze (ASME)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIgnition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Electronic Spark-to-Pilot Ignition\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eControls\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMicroprocessor Controls with Digital Display\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCertification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eASME\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElevation Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0–2,000 Feet\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240VAC, 1-Phase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStainless Steel Throughout\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29\" W × 28\" D × 40\" H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e274 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 Years Parts \u0026amp; Labor (Professional Series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRaypak B-R408-EN-X #50 Professional ASME digital natural gas heater\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePre-wired flow switch and temperature\/pressure gauge\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStainless steel burner tray\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProtective wire-harness sheathing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstallation and owner's manual\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBacked by Raypak's decades of commercial heating expertise, an industry-leading 3-year Professional Series warranty, and a nationwide dealer support network, the B-R408-EN-X #50 is trusted by pool professionals for demanding commercial installations where dependable, code-compliant heating performance is non-negotiable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLearn more at \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/www.raypak.com\/products\/pool-and-spa\/professional-pool-and-spa-heaters\/digital-gas-asme-pool-and-spa-heater\/\"\u003e\u003cstrong\u003e\u003cspan\u003ehttps:\/\/www.raypak.com\/products\/pool-and-spa\/professional-pool-and-spa-heaters\/digital-gas-asme-pool-and-spa-heater\/\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":48867136045305,"sku":"013731","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/Untitleddesigncopy.svg?v=1787520335","url":"https:\/\/poolave.com\/es\/products\/raypak-013731-asme-natural-gas-pool-and-spa-heater-406k-btu","provider":"PoolAve ","version":"1.0","type":"link"}