{"product_id":"raypak-p-r406a-digital-natural-gas-heater-399k-btu-cupro-nickel-exchanger-protek-shield-module-014941","title":"Raypak P-R406A Digital Natural Gas Heater, 399K BTU, Cupro-Nickel Exchanger, ProTek Shield Module | 014941","description":"\u003ch2 data-section-id=\"1p927wt\" data-start=\"603\" data-end=\"622\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"624\" data-end=\"995\"\u003eThe \u003cstrong data-start=\"628\" data-end=\"685\"\u003eRaypak 014940 P-R336A-EN-X Digital Natural Gas Heater\u003c\/strong\u003e is a high-performance residential pool and spa heater built for dependable heating, simple digital operation, and improved corrosion resistance. Commonly sold as a \u003cstrong data-start=\"850\" data-end=\"875\"\u003e300K BTU class heater\u003c\/strong\u003e, this Raypak 336A model delivers strong heating power for medium to larger residential pools and pool\/spa combinations.\u003c\/p\u003e\n\u003cp data-start=\"997\" data-end=\"1356\"\u003eThis model features a \u003cstrong data-start=\"1019\" data-end=\"1059\"\u003ecupro-nickel fin-tube heat exchanger\u003c\/strong\u003e, making it a strong option for saltwater pools, spas, and applications where water chemistry can be more demanding. The included \u003cstrong data-start=\"1189\" data-end=\"1206\"\u003eProTek Shield\u003c\/strong\u003e adds another layer of protection for key heater components, helping support longer service life when the heater is properly installed and maintained.\u003c\/p\u003e\n\u003cp data-start=\"1358\" data-end=\"1556\"\u003eWith digital controls, electronic ignition, polymer headers, and Raypak’s service-friendly design, the 014940 is a reliable choice for homeowners who want efficient heating and long-term durability.\u003c\/p\u003e\n\u003chr data-start=\"1558\" data-end=\"1561\"\u003e\n\u003ch2 data-section-id=\"1vdrhtn\" data-start=\"1563\" data-end=\"1575\"\u003eIdeal For\u003c\/h2\u003e\n\u003cp data-start=\"1577\" data-end=\"1615\"\u003eThe Raypak 014940 heater is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"1617\" data-end=\"1907\"\u003e\n\u003cli data-section-id=\"1g3qeon\" data-start=\"1617\" data-end=\"1645\"\u003eInground residential pools\u003c\/li\u003e\n\u003cli data-section-id=\"jes81e\" data-start=\"1646\" data-end=\"1680\"\u003ePool and spa combination systems\u003c\/li\u003e\n\u003cli data-section-id=\"7p3foi\" data-start=\"1681\" data-end=\"1710\"\u003eSaltwater pool applications\u003c\/li\u003e\n\u003cli data-section-id=\"1m3pxmk\" data-start=\"1711\" data-end=\"1747\"\u003eMedium to larger residential pools\u003c\/li\u003e\n\u003cli data-section-id=\"1i1lmwy\" data-start=\"1748\" data-end=\"1791\"\u003eCustomers wanting cupro-nickel durability\u003c\/li\u003e\n\u003cli data-section-id=\"18x39hu\" data-start=\"1792\" data-end=\"1843\"\u003eReplacing an older Raypak 336A natural gas heater\u003c\/li\u003e\n\u003cli data-section-id=\"t2ef6e\" data-start=\"1844\" data-end=\"1907\"\u003ePool owners who want digital controls and service diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1909\" data-end=\"1912\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1914\" data-end=\"1929\"\u003eKey Features\u003c\/h2\u003e\n\u003ch3 data-section-id=\"js6b1v\" data-start=\"1931\" data-end=\"1971\"\u003e300K BTU Class Heating Performance\u003c\/h3\u003e\n\u003cp data-start=\"1972\" data-end=\"2181\"\u003eThe Raypak 336A platform provides powerful heating performance for residential pool and spa systems. It is commonly marketed as a \u003cstrong data-start=\"2102\" data-end=\"2127\"\u003e300K BTU class heater\u003c\/strong\u003e, with a rated input of approximately \u003cstrong data-start=\"2165\" data-end=\"2180\"\u003e332,500 BTU\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1aalvvr\" data-start=\"2183\" data-end=\"2216\"\u003eCupro-Nickel Heat Exchanger\u003c\/h3\u003e\n\u003cp data-start=\"2217\" data-end=\"2399\"\u003eThe cupro-nickel heat exchanger offers enhanced durability compared with standard copper, especially in saltwater pools, spas, and applications with more aggressive water conditions.\u003c\/p\u003e\n\u003ch3 data-section-id=\"t4bbil\" data-start=\"2401\" data-end=\"2431\"\u003eProTek Shield Protection\u003c\/h3\u003e\n\u003cp data-start=\"2432\" data-end=\"2556\"\u003eThis model includes \u003cstrong data-start=\"2452\" data-end=\"2469\"\u003eProTek Shield\u003c\/strong\u003e, designed to help protect the heater from corrosion and support longer component life.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ungke\" data-start=\"2558\" data-end=\"2586\"\u003eDigital Control System\u003c\/h3\u003e\n\u003cp data-start=\"2587\" data-end=\"2741\"\u003eThe built-in digital control panel makes it easy to set and monitor water temperature. Digital diagnostics also help simplify troubleshooting and service.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1md5dv5\" data-start=\"2743\" data-end=\"2768\"\u003eElectronic Ignition\u003c\/h3\u003e\n\u003cp data-start=\"2769\" data-end=\"2895\"\u003eElectronic ignition eliminates the need for a standing pilot and helps provide reliable startup when there is a call for heat.\u003c\/p\u003e\n\u003ch3 data-section-id=\"k05pbu\" data-start=\"2897\" data-end=\"2918\"\u003ePolymer Headers\u003c\/h3\u003e\n\u003cp data-start=\"2919\" data-end=\"3022\"\u003eDurable polymer headers help resist corrosion and are designed for long-term pool environment exposure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"rzasoy\" data-start=\"3024\" data-end=\"3066\"\u003eResidential Pool \u0026amp; Spa Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"3067\" data-end=\"3195\"\u003eDesigned for residential swimming pools and spas, including pool\/spa combination systems where reliable gas heating is required.\u003c\/p\u003e\n\u003ch3 data-section-id=\"129fiqb\" data-start=\"3197\" data-end=\"3233\"\u003eService-Friendly Raypak Design\u003c\/h3\u003e\n\u003cp data-start=\"3234\" data-end=\"3340\"\u003eRaypak heaters are known for accessible components, practical layout, and dependable field serviceability.\u003c\/p\u003e\n\u003chr data-start=\"3342\" data-end=\"3345\"\u003e\n\u003ch2 data-section-id=\"2qq1z5\" data-start=\"3347\" data-end=\"3358\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-start=\"3360\" data-end=\"3653\"\u003eThe \u003cstrong data-start=\"3364\" data-end=\"3394\"\u003eRaypak 014940 P-R336A-EN-X\u003c\/strong\u003e gives pool owners a strong combination of heating power, corrosion resistance, and easy operation. Its \u003cstrong data-start=\"3498\" data-end=\"3523\"\u003e300K BTU class output\u003c\/strong\u003e helps heat pool and spa water efficiently, while the \u003cstrong data-start=\"3577\" data-end=\"3603\"\u003ecupro-nickel exchanger\u003c\/strong\u003e adds protection for more demanding installations.\u003c\/p\u003e\n\u003cp data-start=\"3655\" data-end=\"3941\"\u003eThe digital control system makes everyday use simple, and built-in diagnostics help service professionals identify issues faster. With \u003cstrong data-start=\"3790\" data-end=\"3813\"\u003eelectronic ignition\u003c\/strong\u003e, \u003cstrong data-start=\"3815\" data-end=\"3834\"\u003epolymer headers\u003c\/strong\u003e, and \u003cstrong data-start=\"3840\" data-end=\"3868\"\u003eProTek Shield protection\u003c\/strong\u003e, this heater is built for reliable residential pool and spa performance.\u003c\/p\u003e\n\u003chr data-start=\"3943\" data-end=\"3946\"\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"3948\" data-end=\"3965\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3967\" data-end=\"4698\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3967\" data-end=\"3994\"\u003e\n\u003ctr data-start=\"3967\" data-end=\"3994\"\u003e\n\u003cth data-start=\"3967\" data-end=\"3983\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"3983\" data-end=\"3994\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"4005\" data-end=\"4698\"\u003e\n\u003ctr data-start=\"4005\" data-end=\"4023\"\u003e\n\u003ctd data-start=\"4005\" data-end=\"4013\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4013\" data-end=\"4023\"\u003eRaypak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4024\" data-end=\"4072\"\u003e\n\u003ctd data-start=\"4024\" data-end=\"4039\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4039\" data-end=\"4072\"\u003eDigital Pool \u0026amp; Spa Gas Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4073\" data-end=\"4104\"\u003e\n\u003ctd data-start=\"4073\" data-end=\"4081\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4081\" data-end=\"4104\"\u003eP-R336A-EN-X \/ 336A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4105\" data-end=\"4129\"\u003e\n\u003ctd data-start=\"4105\" data-end=\"4119\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-start=\"4119\" data-end=\"4129\" data-col-size=\"md\"\u003e014940\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4130\" data-end=\"4149\"\u003e\n\u003ctd data-start=\"4130\" data-end=\"4136\" data-col-size=\"sm\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-start=\"4136\" data-end=\"4149\" data-col-size=\"md\"\u003eRAY014940\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4150\" data-end=\"4182\"\u003e\n\u003ctd data-start=\"4150\" data-end=\"4166\" data-col-size=\"sm\"\u003eUPC \/ Barcode\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4166\" data-end=\"4182\"\u003e840891032434\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4183\" data-end=\"4210\"\u003e\n\u003ctd data-start=\"4183\" data-end=\"4195\" data-col-size=\"sm\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4195\" data-end=\"4210\"\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4211\" data-end=\"4231\"\u003e\n\u003ctd data-start=\"4211\" data-end=\"4223\" data-col-size=\"sm\"\u003eBTU Class\u003c\/td\u003e\n\u003ctd data-start=\"4223\" data-end=\"4231\" data-col-size=\"md\"\u003e300K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4232\" data-end=\"4261\"\u003e\n\u003ctd data-start=\"4232\" data-end=\"4246\" data-col-size=\"sm\"\u003eRated Input\u003c\/td\u003e\n\u003ctd data-start=\"4246\" data-end=\"4261\" data-col-size=\"md\"\u003e332,500 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4262\" data-end=\"4322\"\u003e\n\u003ctd data-start=\"4262\" data-end=\"4278\" data-col-size=\"sm\"\u003eIgnition Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4278\" data-end=\"4322\"\u003eElectronic \/ Intermittent Spark Ignition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4323\" data-end=\"4357\"\u003e\n\u003ctd data-start=\"4323\" data-end=\"4338\" data-col-size=\"sm\"\u003eControl Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4338\" data-end=\"4357\"\u003eDigital Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4358\" data-end=\"4400\"\u003e\n\u003ctd data-start=\"4358\" data-end=\"4375\" data-col-size=\"sm\"\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4375\" data-end=\"4400\"\u003eCupro-Nickel Fin Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4401\" data-end=\"4430\"\u003e\n\u003ctd data-start=\"4401\" data-end=\"4419\" data-col-size=\"sm\"\u003eHeader Material\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4419\" data-end=\"4430\"\u003ePolymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4431\" data-end=\"4469\"\u003e\n\u003ctd data-start=\"4431\" data-end=\"4452\" data-col-size=\"sm\"\u003eProtection Feature\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4452\" data-end=\"4469\"\u003eProTek Shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4470\" data-end=\"4500\"\u003e\n\u003ctd data-start=\"4470\" data-end=\"4494\" data-col-size=\"sm\"\u003eWater Connection Size\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4494\" data-end=\"4500\"\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4501\" data-end=\"4535\"\u003e\n\u003ctd data-start=\"4501\" data-end=\"4520\" data-col-size=\"sm\"\u003eElevation Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4520\" data-end=\"4535\"\u003e0–2,000 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4536\" data-end=\"4586\"\u003e\n\u003ctd data-start=\"4536\" data-end=\"4550\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4550\" data-end=\"4586\"\u003eResidential pool and spa systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4587\" data-end=\"4671\"\u003e\n\u003ctd data-start=\"4587\" data-end=\"4607\" data-col-size=\"sm\"\u003eInstallation Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"4607\" data-end=\"4671\"\u003eOutdoor; indoor only with proper venting and code compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4672\" data-end=\"4698\"\u003e\n\u003ctd data-start=\"4672\" data-end=\"4683\" data-col-size=\"sm\"\u003eGas Type\u003c\/td\u003e\n\u003ctd data-start=\"4683\" data-end=\"4698\" data-col-size=\"md\"\u003eNatural Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"4700\" data-end=\"4703\"\u003e\n\u003ch2 data-section-id=\"laqy70\" data-start=\"4705\" data-end=\"4736\"\u003eImportant Installation Notes\u003c\/h2\u003e\n\u003cp data-start=\"4738\" data-end=\"4992\"\u003eThis heater should be installed by a \u003cstrong data-start=\"4775\" data-end=\"4819\"\u003elicensed pool, gas, or HVAC professional\u003c\/strong\u003e. Proper gas line sizing, electrical wiring, water flow, bonding, ventilation, clearances, and local code compliance are required for safe operation and warranty protection.\u003c\/p\u003e\n\u003cp data-start=\"4994\" data-end=\"5109\"\u003eThis model is commonly listed for \u003cstrong data-start=\"5028\" data-end=\"5053\"\u003e0–2,000 ft. elevation\u003c\/strong\u003e. Always confirm installation elevation before ordering.\u003c\/p\u003e\n\u003cp data-start=\"5111\" data-end=\"5308\"\u003eThis is generally considered a \u003cstrong data-start=\"5142\" data-end=\"5171\"\u003estandard emissions heater\u003c\/strong\u003e, not a Low NOx model. Customers in California or other emissions-regulated areas should confirm local code requirements before purchase.\u003c\/p\u003e\n\u003chr data-start=\"5310\" data-end=\"5313\"\u003e\n\u003ch2 data-section-id=\"px9lge\" data-start=\"5315\" data-end=\"5337\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-start=\"5339\" data-end=\"5467\"\u003e\u003cstrong data-start=\"5339\" data-end=\"5384\"\u003eQ: Is this heater natural gas or propane?\u003c\/strong\u003e\u003cbr data-start=\"5384\" data-end=\"5387\"\u003eA: This model, \u003cstrong data-start=\"5402\" data-end=\"5434\"\u003eRaypak 014940 \/ P-R336A-EN-X\u003c\/strong\u003e, is the \u003cstrong data-start=\"5443\" data-end=\"5458\"\u003enatural gas\u003c\/strong\u003e version.\u003c\/p\u003e\n\u003cp data-start=\"5469\" data-end=\"5629\"\u003e\u003cstrong data-start=\"5469\" data-end=\"5506\"\u003eQ: Is this a 300K or 336K heater?\u003c\/strong\u003e\u003cbr data-start=\"5506\" data-end=\"5509\"\u003eA: It is commonly marketed as a \u003cstrong data-start=\"5541\" data-end=\"5559\"\u003e300K BTU class\u003c\/strong\u003e Raypak 336A heater. The rated input is approximately \u003cstrong data-start=\"5613\" data-end=\"5628\"\u003e332,500 BTU\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"5631\" data-end=\"5866\"\u003e\u003cstrong data-start=\"5631\" data-end=\"5674\"\u003eQ: What is the benefit of cupro-nickel?\u003c\/strong\u003e\u003cbr data-start=\"5674\" data-end=\"5677\"\u003eA: Cupro-nickel provides added resistance against aggressive water conditions compared with standard copper. It is a preferred option for saltwater pools, spas, and higher-use applications.\u003c\/p\u003e\n\u003cp data-start=\"5868\" data-end=\"5988\"\u003e\u003cstrong data-start=\"5868\" data-end=\"5914\"\u003eQ: Does this heater include ProTek Shield?\u003c\/strong\u003e\u003cbr data-start=\"5914\" data-end=\"5917\"\u003eA: Yes. This Raypak 014940 model includes \u003cstrong data-start=\"5959\" data-end=\"5976\"\u003eProTek Shield\u003c\/strong\u003e protection.\u003c\/p\u003e\n\u003cp data-start=\"5990\" data-end=\"6128\"\u003e\u003cstrong data-start=\"5990\" data-end=\"6030\"\u003eQ: Does it have electronic ignition?\u003c\/strong\u003e\u003cbr data-start=\"6030\" data-end=\"6033\"\u003eA: Yes. This heater uses electronic ignition, so it does not rely on a constant standing pilot.\u003c\/p\u003e\n\u003cp data-start=\"6130\" data-end=\"6334\"\u003e\u003cstrong data-start=\"6130\" data-end=\"6181\"\u003eQ: Can this heater be used on a saltwater pool?\u003c\/strong\u003e\u003cbr data-start=\"6181\" data-end=\"6184\"\u003eA: Yes. The cupro-nickel heat exchanger makes it a strong option for saltwater pool applications, but proper water chemistry must still be maintained.\u003c\/p\u003e\n\u003cp data-start=\"6336\" data-end=\"6434\"\u003e\u003cstrong data-start=\"6336\" data-end=\"6386\"\u003eQ: What size plumbing connections does it use?\u003c\/strong\u003e\u003cbr data-start=\"6386\" data-end=\"6389\"\u003eA: This heater uses \u003cstrong data-start=\"6409\" data-end=\"6433\"\u003e2\" water connections\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"6436\" data-end=\"6646\"\u003e\u003cstrong data-start=\"6436\" data-end=\"6494\"\u003eQ: Does this heater require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"6494\" data-end=\"6497\"\u003eA: Yes. Gas pool heaters must be installed by a qualified professional to ensure proper gas, electrical, venting, water flow, and bonding compliance.\u003c\/p\u003e","brand":"Pool Supply Depot LLC","offers":[{"title":"Default Title","offer_id":52762877362486,"sku":"RAY014941 -H","price":4540.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/RAY014941_0.jpg?v=1755536129","url":"https:\/\/poolsupplydepot.net\/products\/raypak-p-r406a-digital-natural-gas-heater-399k-btu-cupro-nickel-exchanger-protek-shield-module-014941","provider":"Pool Supply Depot","version":"1.0","type":"link"}