{"product_id":"raypak-digital-asme-b-r336a-en-c-50-pool-heater-natural-gas-332-500-btu-copper-heat-017373","title":"Raypak 017373 Digital ASME B-R336A-EN-C #50 Pool Heater, Natural Gas, 332,500 BTU, Copper Heat Exchanger, Bronze Headers","description":"\u003cdiv class=\"pps-details\"\u003e\n\u003cp\u003eRaypak item \u003cstrong\u003e017373\u003c\/strong\u003e: Digital ASME B-R336A-EN-C #50 pool heater, natural gas, 332,500 BTU. A natural gas pool and spa heater with a copper heat exchanger, rated for elevations from 0 to 2000 ft.\u003c\/p\u003e\n\u003ch3\u003eProduct details\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003e017373\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eRaypak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDescription (per Raypak)\u003c\/th\u003e\n\u003ctd\u003eUNIT-C\/P B-R336A-EN-C #50 ASME\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e840891041559\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003e332,500 BTU\/h (332.5 MBTUH, 97.4 kW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGas type\u003c\/th\u003e\n\u003ctd\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElevation\u003c\/th\u003e\n\u003ctd\u003e0-2000 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeat exchanger\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping weight\u003c\/th\u003e\n\u003ctd\u003e250 lb (with stackless top)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRaypak reference\u003c\/th\u003e\n\u003ctd\u003eRaypak Residential Pool \u0026amp; Spa Product Catalog RP-P-902-6 rev D p. 15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe Raypak Digital ASME 336A is the code-stamped version of the Digital atmospheric gas heater. Bronze headers and an ASME-certified copper fin-tube heat exchanger take the place of the polymer headers used on the residential model, for pools and spas where an ASME heater is required, typically commercial sites.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated items\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe propane ASME 336A is a different item number (017385).\u003c\/li\u003e\n\u003cli\u003eRaypak also lists item 017377 with the #51 orifice and item 017381 with the #52 orifice; on copper models Raypak gives #51 for 2,000 to 6,000 ft and #52 for 6,000 to 9,000 ft.\u003c\/li\u003e\n\u003cli\u003eThe cupronickel ASME 336A is a different item number (017401).\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOutdoor installation as shipped, using the stackless top packed with the heater.\u003c\/li\u003e\n\u003cli\u003eIndoor installation needs Raypak indoor stack kit 009840 and a vent to the outside, or the D-2 power vent kit (010745 for 120 V, 009833 for 240 V).\u003c\/li\u003e\n\u003cli\u003ePump flow between 35 and 100 GPM. Above 100 GPM Raypak calls for an external bypass valve.\u003c\/li\u003e\n\u003cli\u003eSome jurisdictions require a flow switch on ASME installations. Raypak offers kit 015889F (flange connection) or 015890F (NPT connection) for that.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRaypak lists the Digital ASME series at 82% thermal efficiency.\u003c\/li\u003e\n\u003cli\u003eNatural gas supply pressure 6 in. WC minimum, 10.5 in. WC maximum. Gas connection 3\/4 in. NPT.\u003c\/li\u003e\n\u003cli\u003eASME heat exchanger: bronze headers and copper fin tubes, HLW-stamped, 100 PSIG maximum allowable working pressure, registered with the National Board.\u003c\/li\u003e\n\u003cli\u003eA 75 PSI pressure relief valve is included, shipped loose for the 3\/4 in. NPT port in the header.\u003c\/li\u003e\n\u003cli\u003eA ProTek Shield sacrificial assembly and its adapter are included, shipped loose for installation at the inlet connection. It protects the heat exchanger from galvanic corrosion.\u003c\/li\u003e\n\u003cli\u003eElectronic intermittent ignition lights the pilot and main burners automatically on a call for heat.\u003c\/li\u003e\n\u003cli\u003eDigital control with LCD display: pool and spa modes, adjustable setpoint, status and diagnostic messages. Remote-ready for two-wire or three-wire control systems.\u003c\/li\u003e\n\u003cli\u003eUnitherm Governor (thermostatic mixing valve) and a built-in automatic bypass valve in the inlet\/outlet header.\u003c\/li\u003e\n\u003cli\u003ePower 120 or 240 VAC, single phase, 60 Hz, through a dual-voltage transformer; Raypak states the heater is factory-wired for 240 VAC. Draws 4 A at 120 V or 2 A at 240 V. Not for 208 VAC.\u003c\/li\u003e\n\u003cli\u003eWater connections 2 in. slip, with CPVC unions. Right-hand as shipped; Raypak lists left-hand as an optional field change.\u003c\/li\u003e\n\u003cli\u003eCabinet 26 in. wide, 28 in. deep, 38 in. high; 40 in. to the top of the outdoor stackless top. Flue diameter 8 in.\u003c\/li\u003e\n\u003cli\u003eIn the carton: outdoor stackless (pagoda) top, two 2 in. CPVC union halves with O-rings, plastic finish flange for the gas line, bonding lug, pressure relief valve, and the ProTek Shield adapter with ProTek Shield, O-ring and wing nut.\u003c\/li\u003e\n\u003cli\u003eRaypak limited warranty for ASME models: one year parts and labor.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRaypak reduces the input rating 4% for each 1,000 ft above sea level beyond 2,000 ft, so order the version built for your elevation.\u003c\/li\u003e\n\u003cli\u003eThe ProTek Shield is a wear item. Raypak says to replace it when its weight has dropped to about 40% of the original.\u003c\/li\u003e\n\u003cli\u003eSalt chlorinators and chemical feeders must be plumbed downstream of the heater. Raypak's water chemistry table allows up to 4,500 ppm salt.\u003c\/li\u003e\n\u003cli\u003eThis is the atmospheric ASME model. Raypak's Low NOx ASME heaters are the separate 207A to 407A models.\u003c\/li\u003e\n\u003cli\u003eGas, venting and electrical work must be done by a qualified installer or service agency and meet local codes. Raypak's warranty applies to heaters installed by a licensed service provider.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":44061993369819,"sku":"017373","price":4538.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/8343\/5483\/files\/1fUtkIvP3zi_wlDTWKuwBUOcRXgO7GoYa.jpg?v=1791053036","url":"https:\/\/premierpools.com\/products\/raypak-digital-asme-b-r336a-en-c-50-pool-heater-natural-gas-332-500-btu-copper-heat-017373","provider":"Premier Pool \u0026 Spa","version":"1.0","type":"link"}