{"product_id":"raypak-b-r408-en-x-professional-asme-natural-gas-pool-heater-399k-btu-013731","title":"Raypak B-R408-EN-X #50 Professional ASME Natural Gas Heater, 399K BTU | 013731","description":"\u003cp\u003e\u003cstrong\u003eNeed help choosing this Raypak heater?\u003c\/strong\u003e Call \u003ca href=\"tel:7252051783\"\u003e725-205-1783\u003c\/a\u003e or email \u003ca href=\"mailto:sales@poolsupplydepot.net\"\u003esales@poolsupplydepot.net\u003c\/a\u003e with your existing heater model, fuel type, installation ZIP code and equipment-pad photos. We can help confirm the replacement and shipping or freight options. Local pickup is available in Henderson, Nevada; confirm availability before visiting.\u003c\/p\u003e\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRaypak B-R408-EN-X #50 Professional ASME Natural Gas Heater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a commercial-grade pool and spa heater designed for high-demand residential and light commercial applications. With 399,000 BTU heating performance, electronic ignition, 2-inch bronze headers, and a cupro-nickel heat exchanger, this heater is built for durability, reliability, and long-term performance in demanding pool environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAs part of Raypak’s Professional Series, this ASME-certified heater is well suited for properties that require heavier-duty construction than a standard residential heater. Its cupro-nickel heat exchanger offers improved corrosion resistance, making it a strong option for saltwater pools, coastal environments, and applications with more challenging water conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal For\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis heater is ideal for customers who need a heavy-duty natural gas pool and spa heater with ASME-rated construction and enhanced corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRecommended for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIn-ground pools and attached spas\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge residential pools\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-end residential pool systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLight commercial pool applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApartments, condos, hotels, motels, schools, parks, and community pools\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSaltwater pool applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoastal environments or challenging equipment pad conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNatural gas pool heating systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStandard elevation installations from 0–2,000 ft\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProfessional Series ASME Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuilt for demanding pool and spa applications where commercial-grade durability and ASME compliance are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e399,000 BTU Heating Performance\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides powerful heating capacity for large pools, spas, and high-demand applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNatural Gas Operation\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for use with natural gas fuel systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eElectronic Ignition\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eStarts efficiently without the need for a standing pilot.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCupro-Nickel Heat Exchanger\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides enhanced corrosion resistance compared to standard copper exchangers, making it a strong choice for saltwater and challenging water conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e2-Inch Bronze Headers\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHeavy-duty bronze headers support durability and long-term performance in demanding installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDigital LCD Control Panel\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAllows easy temperature control, heater settings, operational monitoring, and diagnostic readouts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFlow Switch and T\u0026amp;P Gauge Standard\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIncludes key ASME-related safety and monitoring components for commercial-style installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStainless Steel Internal Components\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eFeatures stainless steel construction in critical areas such as the burner tray, base, and flue collector for added durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProTek Shield Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHelps protect the heat exchanger and internal components from corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eUnitherm Governor and Bypass System\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eHelps reduce condensation and supports proper flow through the heat exchanger.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eRemote Compatible\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eCan be connected to compatible pool control systems for added convenience.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eBenefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Raypak B-R408-EN-X #50 Professional ASME Heater gives pool owners and commercial property operators powerful natural gas heating with heavier-duty construction than a standard residential model. Its 399,000 BTU capacity provides fast heat-up performance, making it a strong choice for large pools, attached spas, and high-use pool environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe cupro-nickel heat exchanger and 2-inch bronze headers provide added protection in saltwater, coastal, and more demanding water conditions. ASME construction, included flow switch, T\u0026amp;P gauge, stainless steel components, and Raypak’s digital controls help deliver reliable performance, easier monitoring, and long-term durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor customers replacing an existing Raypak Professional Series ASME heater, this model may also provide a familiar installation footprint and operating experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\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\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePool \u0026amp; Spa Heater\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSKU\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\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\u003eBarcode \/ UPC\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e840891029731\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeater Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRaypak Professional Series ASME\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\u003eIgnition Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eElectronic Ignition\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBTU Rating\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\u003eHeat Exchanger\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCupro-Nickel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHeader Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 in. Bronze Headers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eASME Certified\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInstallation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOutdoor\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 ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePlumbing Size\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 in.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29 in. W x 28 in. D x 40 in. H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. Product Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e274 lb\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePool Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIn-ground pool \/ spa applications\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003eCustomer-Facing Q\u0026amp;A\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this heater natural gas or propane?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis listing is for the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enatural gas\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Raypak B-R408-EN-X #50 Professional ASME model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this heater ASME certified?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This model is part of Raypak’s Professional Series ASME heater lineup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat does #50 mean on this Raypak heater?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e#50\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e version identifies this natural gas configuration for standard elevation applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat elevation is this model designed for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis heater is designed for standard elevation installations from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0–2,000 ft\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this a digital heater?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This model includes Raypak’s digital LCD control system for temperature adjustment, heater settings, operational monitoring, and diagnostic readouts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDoes this heater have electronic ignition?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This heater uses electronic ignition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDoes this model have bronze headers?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This heater includes \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2-inch bronze headers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for heavy-duty durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs the heat exchanger copper or cupro-nickel?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis model uses a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel heat exchanger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which provides improved corrosion resistance compared to standard copper.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCan this heater be used with saltwater pools?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. The cupro-nickel heat exchanger and bronze headers make this model a strong choice for saltwater pools and more demanding water conditions. Proper water chemistry must still be maintained.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this suitable for commercial pools?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. This Professional Series ASME heater is designed for high-demand residential and light commercial applications, including apartments, condos, hotels, community pools, and similar installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eDoes this heater require professional installation?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Natural gas ASME pool heaters should be installed by a licensed plumber, qualified pool professional, or gas appliance technician according to manufacturer instructions and local code requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCan this heater be installed indoors?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis model is commonly used for outdoor installation. Indoor installation requires proper venting and must follow the manufacturer’s instructions and local code requirements.\u003c\/span\u003e\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":52762877100342,"sku":"RAY013731 -H","price":7344.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/raypak-pool-heaters-013731-64_1000_a2fa949b-7a5b-44c2-b37b-190eb16de707.avif?v=1790614577","url":"https:\/\/poolsupplydepot.net\/products\/raypak-b-r408-en-x-professional-asme-natural-gas-pool-heater-399k-btu-013731","provider":"Pool Supply Depot","version":"1.0","type":"link"}