{"product_id":"raypak-avia-hd-p-r404a-en-n-natural-gas-pool-heater-399k-btu-018045","title":"Raypak P-R404A-EN-N Low NOx Avia HD Natural Gas Heater, 399K BTU, Polymer Headers, NiTek Exchanger, Built-in Wi-Fi | 018045","description":"\u003ch2 data-end=\"722\" data-start=\"701\" data-section-id=\"53drpp\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-end=\"1097\" data-start=\"723\"\u003eThe \u003cstrong data-end=\"794\" data-start=\"727\"\u003eRaypak P-R404A-EN-N Low NOx AVIA HD Natural Gas Heater | 018045\u003c\/strong\u003e is a smart, high-performance pool and spa heater designed for fast heating, advanced diagnostics, and modern connected control. With a powerful \u003cstrong data-end=\"960\" data-start=\"939\"\u003e399,000 BTU input\u003c\/strong\u003e, this AVIA HD heater is built for residential pool and spa systems that need dependable natural gas heating with smart control features.\u003c\/p\u003e\n\u003cp data-end=\"1418\" data-start=\"1099\"\u003eThis model features Raypak’s \u003cstrong data-end=\"1152\" data-start=\"1128\"\u003eNiTek heat exchanger\u003c\/strong\u003e, \u003cstrong data-end=\"1173\" data-start=\"1154\"\u003epolymer headers\u003c\/strong\u003e, \u003cstrong data-end=\"1197\" data-start=\"1175\"\u003eLow NOx combustion\u003c\/strong\u003e, and \u003cstrong data-end=\"1221\" data-start=\"1203\"\u003ebuilt-in Wi-Fi\u003c\/strong\u003e for convenient access through the Raymote app. The AVIA platform also includes homeowner-friendly temperature control, heat-time estimates, and professional diagnostic tools for service providers.\u003c\/p\u003e\n\u003cp data-end=\"1742\" data-start=\"1420\"\u003eThe \u003cstrong data-end=\"1440\" data-start=\"1424\"\u003eP-R404A-EN-N\u003c\/strong\u003e configuration is a \u003cstrong data-end=\"1475\" data-start=\"1460\"\u003enatural gas\u003c\/strong\u003e model with \u003cstrong data-end=\"1499\" data-start=\"1487\"\u003e399K BTU\u003c\/strong\u003e heating performance, a \u003cstrong data-end=\"1550\" data-start=\"1523\"\u003e3\/4\" NPT gas connection\u003c\/strong\u003e, \u003cstrong data-end=\"1585\" data-start=\"1552\"\u003e2\" buttress water connections\u003c\/strong\u003e, and a listed weight of approximately \u003cstrong data-end=\"1634\" data-start=\"1624\"\u003e135 lb\u003c\/strong\u003e. Public product listings identify UPC \u003cstrong data-end=\"1689\" data-start=\"1673\"\u003e840891099222\u003c\/strong\u003e for this item. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"1747\" data-start=\"1744\"\u003e\n\u003ch2 data-end=\"1763\" data-start=\"1749\" data-section-id=\"4fdhx7\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-end=\"2231\" data-start=\"1764\"\u003e\n\u003cli data-end=\"1794\" data-start=\"1764\" data-section-id=\"hcxg5z\"\u003eResidential inground pools\u003c\/li\u003e\n\u003cli data-end=\"1831\" data-start=\"1795\" data-section-id=\"161auk2\"\u003ePool and spa combination systems\u003c\/li\u003e\n\u003cli data-end=\"1868\" data-start=\"1832\" data-section-id=\"5m52se\"\u003eNatural gas pool heating systems\u003c\/li\u003e\n\u003cli data-end=\"1905\" data-start=\"1869\" data-section-id=\"1qiu26c\"\u003eReplacing older gas pool heaters\u003c\/li\u003e\n\u003cli data-end=\"1957\" data-start=\"1906\" data-section-id=\"d3lt4b\"\u003eCustomers wanting built-in Wi-Fi heater control\u003c\/li\u003e\n\u003cli data-end=\"2014\" data-start=\"1958\" data-section-id=\"1jbn73c\"\u003ePool owners wanting app-based temperature management\u003c\/li\u003e\n\u003cli data-end=\"2048\" data-start=\"2015\" data-section-id=\"1ey9rdf\"\u003eFast spa heat-up applications\u003c\/li\u003e\n\u003cli data-end=\"2093\" data-start=\"2049\" data-section-id=\"ty3b6r\"\u003eEquipment pads needing smart diagnostics\u003c\/li\u003e\n\u003cli data-end=\"2137\" data-start=\"2094\" data-section-id=\"p27gu5\"\u003eLow NOx heater replacement applications\u003c\/li\u003e\n\u003cli data-end=\"2180\" data-start=\"2138\" data-section-id=\"1euinj3\"\u003eProfessional pool heater installations\u003c\/li\u003e\n\u003cli data-end=\"2231\" data-start=\"2181\" data-section-id=\"150ir1n\"\u003ePools requiring a durable NiTek heat exchanger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"2236\" data-start=\"2233\"\u003e\n\u003ch2 data-end=\"2255\" data-start=\"2238\" data-section-id=\"14at72t\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-end=\"3518\" data-start=\"2256\"\u003e\n\u003cli data-end=\"2341\" data-start=\"2256\" data-section-id=\"71u0c0\"\u003e\n\u003cstrong data-end=\"2279\" data-start=\"2258\"\u003e399,000 BTU input\u003c\/strong\u003e — delivers powerful heating performance for pools and spas.\u003c\/li\u003e\n\u003cli data-end=\"2425\" data-start=\"2342\" data-section-id=\"1qllj9\"\u003e\n\u003cstrong data-end=\"2369\" data-start=\"2344\"\u003eNatural gas operation\u003c\/strong\u003e — designed for compatible natural gas equipment pads.\u003c\/li\u003e\n\u003cli data-end=\"2507\" data-start=\"2426\" data-section-id=\"1a79kfk\"\u003e\n\u003cstrong data-end=\"2446\" data-start=\"2428\"\u003eLow NOx design\u003c\/strong\u003e — engineered for cleaner combustion and reduced emissions.\u003c\/li\u003e\n\u003cli data-end=\"2650\" data-start=\"2508\" data-section-id=\"lodjpo\"\u003e\n\u003cstrong data-end=\"2534\" data-start=\"2510\"\u003eNiTek heat exchanger\u003c\/strong\u003e — designed for enhanced durability and improved corrosion resistance compared with traditional copper exchangers.\u003c\/li\u003e\n\u003cli data-end=\"2749\" data-start=\"2651\" data-section-id=\"1pwyz4o\"\u003e\n\u003cstrong data-end=\"2672\" data-start=\"2653\"\u003ePolymer headers\u003c\/strong\u003e — corrosion-resistant header design for pool and spa heating applications.\u003c\/li\u003e\n\u003cli data-end=\"2865\" data-start=\"2750\" data-section-id=\"1pm8r5o\"\u003e\n\u003cstrong data-end=\"2770\" data-start=\"2752\"\u003eBuilt-in Wi-Fi\u003c\/strong\u003e — enables connected heater monitoring and control through compatible Raypak \/ Raymote setup.\u003c\/li\u003e\n\u003cli data-end=\"2966\" data-start=\"2866\" data-section-id=\"1gqfes\"\u003e\n\u003cstrong data-end=\"2897\" data-start=\"2868\"\u003eRaymote app compatibility\u003c\/strong\u003e — provides homeowner control and professional service diagnostics.\u003c\/li\u003e\n\u003cli data-end=\"3056\" data-start=\"2967\" data-section-id=\"s7iu5h\"\u003e\n\u003cstrong data-end=\"2998\" data-start=\"2969\"\u003eDigital control interface\u003c\/strong\u003e — simple temperature control and heater status display.\u003c\/li\u003e\n\u003cli data-end=\"3164\" data-start=\"3057\" data-section-id=\"ullv3q\"\u003e\n\u003cstrong data-end=\"3083\" data-start=\"3059\"\u003eHeat-time calculator\u003c\/strong\u003e — helps estimate how long it will take to reach the desired water temperature.\u003c\/li\u003e\n\u003cli data-end=\"3257\" data-start=\"3165\" data-section-id=\"nlew44\"\u003e\n\u003cstrong data-end=\"3188\" data-start=\"3167\"\u003eSmart diagnostics\u003c\/strong\u003e — gives pool professionals access to performance and service data.\u003c\/li\u003e\n\u003cli data-end=\"3344\" data-start=\"3258\" data-section-id=\"1vjjdgq\"\u003e\n\u003cstrong data-end=\"3287\" data-start=\"3260\"\u003e3\/4\" NPT gas connection\u003c\/strong\u003e — standard connection reference for this heater model.\u003c\/li\u003e\n\u003cli data-end=\"3434\" data-start=\"3345\" data-section-id=\"1sanlkz\"\u003e\n\u003cstrong data-end=\"3380\" data-start=\"3347\"\u003e2\" buttress water connections\u003c\/strong\u003e — supports professional pool plumbing installation.\u003c\/li\u003e\n\u003cli data-end=\"3518\" data-start=\"3435\" data-section-id=\"b1icbw\"\u003e\n\u003cstrong data-end=\"3462\" data-start=\"3437\"\u003eCompact AVIA platform\u003c\/strong\u003e — service-friendly design with top-access components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3523\" data-start=\"3520\"\u003e\n\u003ch2 data-end=\"3538\" data-start=\"3525\" data-section-id=\"33fg5d\"\u003eBenefits\u003c\/h2\u003e\n\u003cp data-end=\"3835\" data-start=\"3539\"\u003eThe Raypak AVIA HD 018045 gives pool owners strong heating performance with the convenience of smart connected control. The built-in Wi-Fi and Raymote app make it easier to adjust temperature, monitor heater status, and access support features without relying only on the equipment pad interface.\u003c\/p\u003e\n\u003cp data-end=\"4233\" data-start=\"3837\"\u003eThe NiTek heat exchanger is a major benefit for durability. It is engineered to provide stronger resistance to erosion and corrosion than standard copper heat exchangers, helping support longer heater life when water chemistry and flow are properly maintained. Raypak’s AVIA design also emphasizes easier service access and smart diagnostic data to help technicians troubleshoot more efficiently.\u003c\/p\u003e\n\u003cp data-end=\"4438\" data-start=\"4235\"\u003eFor customers replacing an older natural gas heater, the 399K BTU AVIA HD offers a strong combination of heating power, Low NOx performance, connected controls, and Raypak’s proven pool heating platform.\u003c\/p\u003e\n\u003chr data-end=\"4443\" data-start=\"4440\"\u003e\n\u003ch2 data-end=\"4464\" data-start=\"4445\" data-section-id=\"1qhk4i3\"\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 class=\"w-fit min-w-(--thread-content-width)\" data-end=\"5746\" data-start=\"4466\"\u003e\n\u003cthead data-end=\"4493\" data-start=\"4466\"\u003e\n\u003ctr data-end=\"4493\" data-start=\"4466\"\u003e\n\u003cth class=\"\" data-col-size=\"sm\" data-end=\"4482\" data-start=\"4466\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"\" data-col-size=\"md\" data-end=\"4493\" data-start=\"4482\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"5746\" data-start=\"4504\"\u003e\n\u003ctr data-end=\"4577\" data-start=\"4504\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4519\" data-start=\"4504\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4577\" data-start=\"4519\"\u003eRaypak P-R404A-EN-N Low NOx AVIA HD Natural Gas Heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4596\" data-start=\"4578\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4586\" data-start=\"4578\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4596\" data-start=\"4586\"\u003eRaypak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4630\" data-start=\"4597\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4612\" data-start=\"4597\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4630\" data-start=\"4612\"\u003eRheem \/ Raypak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4651\" data-start=\"4631\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4640\" data-start=\"4631\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4651\" data-start=\"4640\"\u003eAVIA HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4676\" data-start=\"4652\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4660\" data-start=\"4652\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4676\" data-start=\"4660\"\u003eP-R404A-EN-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4701\" data-start=\"4677\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4691\" data-start=\"4677\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4701\" data-start=\"4691\"\u003e018045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4718\" data-start=\"4702\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4708\" data-start=\"4702\"\u003eSKU\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4718\" data-start=\"4708\"\u003e018045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4762\" data-start=\"4719\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4749\" data-start=\"4719\"\u003eInternal \/ Store SKU Option\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4762\" data-start=\"4749\"\u003eRAY018045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4785\" data-start=\"4763\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4769\" data-start=\"4763\"\u003eUPC\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4785\" data-start=\"4769\"\u003e840891099222\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4828\" data-start=\"4786\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4801\" data-start=\"4786\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4828\" data-start=\"4801\"\u003ePool and spa gas heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4873\" data-start=\"4829\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4843\" data-start=\"4829\"\u003eHeater Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4873\" data-start=\"4843\"\u003eDigital Low NOx gas heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4901\" data-start=\"4874\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4886\" data-start=\"4874\"\u003eFuel Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4901\" data-start=\"4886\"\u003eNatural gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4929\" data-start=\"4902\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4914\" data-start=\"4902\"\u003eBTU Input\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4929\" data-start=\"4914\"\u003e399,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4961\" data-start=\"4930\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4942\" data-start=\"4930\"\u003eBTU Class\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4961\" data-start=\"4942\"\u003e399K \/ 400K BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"4997\" data-start=\"4962\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"4988\" data-start=\"4962\"\u003eHeat Exchanger Material\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"4997\" data-start=\"4988\"\u003eNiTek\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5027\" data-start=\"4998\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5016\" data-start=\"4998\"\u003eHeader Material\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5027\" data-start=\"5016\"\u003ePolymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5067\" data-start=\"5028\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5044\" data-start=\"5028\"\u003eIgnition Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5067\" data-start=\"5044\"\u003eElectronic ignition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5109\" data-start=\"5068\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5083\" data-start=\"5068\"\u003eControl Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5109\" data-start=\"5083\"\u003eDigital control system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5136\" data-start=\"5110\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5118\" data-start=\"5110\"\u003eWi-Fi\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5136\" data-start=\"5118\"\u003eBuilt-in Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5172\" data-start=\"5137\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5157\" data-start=\"5137\"\u003eApp Compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5172\" data-start=\"5157\"\u003eRaymote app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5200\" data-start=\"5173\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5193\" data-start=\"5173\"\u003eSmart Diagnostics\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5200\" data-start=\"5193\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5231\" data-start=\"5201\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5224\" data-start=\"5201\"\u003eHeat-Time Calculator\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5231\" data-start=\"5224\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5261\" data-start=\"5232\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5249\" data-start=\"5232\"\u003eGas Connection\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5261\" data-start=\"5249\"\u003e3\/4\" NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5296\" data-start=\"5262\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5281\" data-start=\"5262\"\u003eWater Connection\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5296\" data-start=\"5281\"\u003e2\" buttress\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5327\" data-start=\"5297\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5316\" data-start=\"5297\"\u003eEmissions Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5327\" data-start=\"5316\"\u003eLow NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5431\" data-start=\"5328\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5350\" data-start=\"5328\"\u003eElevation Reference\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5431\" data-start=\"5350\"\u003eCommonly listed for 0–9,999 ft \/ 0–10,000 ft applications depending on source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5470\" data-start=\"5432\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5446\" data-start=\"5432\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5470\" data-start=\"5446\"\u003ePool and spa heating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5528\" data-start=\"5471\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5483\" data-start=\"5471\"\u003ePool Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5528\" data-start=\"5483\"\u003eResidential inground pool and spa systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5564\" data-start=\"5529\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5546\" data-start=\"5529\"\u003eProduct Weight\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5564\" data-start=\"5546\"\u003eApprox. 135 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5641\" data-start=\"5565\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5589\" data-start=\"5565\"\u003eInstallation Location\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5641\" data-start=\"5589\"\u003eOutdoor or approved properly vented installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5679\" data-start=\"5642\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5663\" data-start=\"5642\"\u003eEquipment Category\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5679\" data-start=\"5663\"\u003ePool heaters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5727\" data-start=\"5680\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5720\" data-start=\"5680\"\u003eProfessional Installation Recommended\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5727\" data-start=\"5720\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"5746\" data-start=\"5728\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"5738\" data-start=\"5728\"\u003eSold As\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-end=\"5746\" data-start=\"5738\"\u003eEach\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-end=\"5751\" data-start=\"5748\"\u003e\n\u003ch2 data-end=\"5777\" data-start=\"5753\" data-section-id=\"czfsbl\"\u003eIncluded Components\u003c\/h2\u003e\n\u003cul data-end=\"6061\" data-start=\"5778\"\u003e\n\u003cli data-end=\"5845\" data-start=\"5778\" data-section-id=\"d1nrd4\"\u003e1 × Raypak P-R404A-EN-N AVIA HD natural gas pool and spa heater\u003c\/li\u003e\n\u003cli data-end=\"5883\" data-start=\"5846\" data-section-id=\"162g46f\"\u003eIntegrated digital control system\u003c\/li\u003e\n\u003cli data-end=\"5915\" data-start=\"5884\" data-section-id=\"m5wb31\"\u003eBuilt-in Wi-Fi connectivity\u003c\/li\u003e\n\u003cli data-end=\"5949\" data-start=\"5916\" data-section-id=\"s8qly2\"\u003eNiTek heat exchanger assembly\u003c\/li\u003e\n\u003cli data-end=\"5977\" data-start=\"5950\" data-section-id=\"1chfcex\"\u003ePolymer header assembly\u003c\/li\u003e\n\u003cli data-end=\"6008\" data-start=\"5978\" data-section-id=\"19ufw2i\"\u003eElectronic ignition system\u003c\/li\u003e\n\u003cli data-end=\"6061\" data-start=\"6009\" data-section-id=\"hpnzjy\"\u003eManufacturer-supplied installation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"6395\" data-start=\"6063\"\u003e\u003cem data-end=\"6395\" data-start=\"6063\"\u003eGas line materials, shutoff valve, regulator if required, electrical wiring, bonding materials, plumbing valves, unions, venting components, pressure relief valve if required by local code, equipment pad materials, network setup accessories, and installation labor are sold separately unless specifically included by the supplier.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-end=\"6400\" data-start=\"6397\"\u003e\n\u003ch2 data-end=\"6426\" data-start=\"6402\" data-section-id=\"1cnlbrc\"\u003eCompatibility Notes\u003c\/h2\u003e\n\u003cp data-end=\"6511\" data-start=\"6427\"\u003eThis heater is designed for compatible \u003cstrong data-end=\"6510\" data-start=\"6466\"\u003enatural gas pool and spa heating systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"6551\" data-start=\"6513\"\u003eCommon application references include:\u003c\/p\u003e\n\u003cul data-end=\"6869\" data-start=\"6553\"\u003e\n\u003cli data-end=\"6583\" data-start=\"6553\" data-section-id=\"hcxg5z\"\u003eResidential inground pools\u003c\/li\u003e\n\u003cli data-end=\"6616\" data-start=\"6584\" data-section-id=\"1t3xbrq\"\u003ePool\/spa combination systems\u003c\/li\u003e\n\u003cli data-end=\"6665\" data-start=\"6617\" data-section-id=\"iy1a2a\"\u003eNatural gas heater replacement installations\u003c\/li\u003e\n\u003cli data-end=\"6697\" data-start=\"6666\" data-section-id=\"1bi022r\"\u003eLow NOx heater applications\u003c\/li\u003e\n\u003cli data-end=\"6748\" data-start=\"6698\" data-section-id=\"vgbo3\"\u003e399K \/ 400K BTU class pool heater replacements\u003c\/li\u003e\n\u003cli data-end=\"6819\" data-start=\"6749\" data-section-id=\"191rafy\"\u003eSystems requiring 3\/4\" NPT gas connection and 2\" water connections\u003c\/li\u003e\n\u003cli data-end=\"6869\" data-start=\"6820\" data-section-id=\"jmi6t0\"\u003eRaymote-connected pool heating control setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"7046\" data-start=\"6871\"\u003eAlways confirm fuel type, BTU requirement, gas line sizing, electrical service, water flow, elevation requirements, venting needs, and local code requirements before ordering.\u003c\/p\u003e\n\u003chr data-end=\"7051\" data-start=\"7048\"\u003e\n\u003ch2 data-end=\"7076\" data-start=\"7053\" data-section-id=\"1hui92y\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp data-end=\"7431\" data-start=\"7077\"\u003eThis heater must be installed by a qualified pool professional, licensed gas technician, or licensed contractor as required by local code. Proper installation requires correct natural gas supply sizing, gas pressure verification, electrical wiring, bonding, grounding, water flow verification, plumbing layout, combustion air, and venting where required.\u003c\/p\u003e\n\u003cp data-end=\"7713\" data-start=\"7433\"\u003eBefore installation, confirm that the fuel type is \u003cstrong data-end=\"7499\" data-start=\"7484\"\u003enatural gas\u003c\/strong\u003e and that the gas supply can support a \u003cstrong data-end=\"7553\" data-start=\"7538\"\u003e399,000 BTU\u003c\/strong\u003e heater. The heater must also be installed with proper water flow and balanced water chemistry to protect the NiTek heat exchanger and connected pool equipment.\u003c\/p\u003e\n\u003cp data-end=\"7812\" data-start=\"7715\"\u003eWi-Fi setup and Raymote app configuration require compatible network access at the equipment pad.\u003c\/p\u003e\n\u003chr data-end=\"7817\" data-start=\"7814\"\u003e\n\u003ch2 data-end=\"7843\" data-start=\"7819\" data-section-id=\"w1k9cu\"\u003eCustomer-Facing Q\u0026amp;A\u003c\/h2\u003e\n\u003cp data-end=\"8015\" data-start=\"7845\"\u003e\u003cstrong data-end=\"7878\" data-start=\"7845\"\u003eQ: What is the Raypak 018045?\u003c\/strong\u003e\u003cbr data-end=\"7881\" data-start=\"7878\"\u003eA: It is a Raypak AVIA HD Low NOx natural gas pool and spa heater rated at 399,000 BTU with a NiTek heat exchanger and built-in Wi-Fi.\u003c\/p\u003e\n\u003cp data-end=\"8068\" data-start=\"8017\"\u003e\u003cstrong data-end=\"8040\" data-start=\"8017\"\u003eQ: What is the SKU?\u003c\/strong\u003e\u003cbr data-end=\"8043\" data-start=\"8040\"\u003eA: The SKU is \u003cstrong data-end=\"8067\" data-start=\"8057\"\u003e018045\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8127\" data-start=\"8070\"\u003e\u003cstrong data-end=\"8093\" data-start=\"8070\"\u003eQ: What is the UPC?\u003c\/strong\u003e\u003cbr data-end=\"8096\" data-start=\"8093\"\u003eA: The UPC is \u003cstrong data-end=\"8126\" data-start=\"8110\"\u003e840891099222\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8204\" data-start=\"8129\"\u003e\u003cstrong data-end=\"8161\" data-start=\"8129\"\u003eQ: What is the model number?\u003c\/strong\u003e\u003cbr data-end=\"8164\" data-start=\"8161\"\u003eA: The model number is \u003cstrong data-end=\"8203\" data-start=\"8187\"\u003eP-R404A-EN-N\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8287\" data-start=\"8206\"\u003e\u003cstrong data-end=\"8249\" data-start=\"8206\"\u003eQ: What fuel type does this heater use?\u003c\/strong\u003e\u003cbr data-end=\"8252\" data-start=\"8249\"\u003eA: This model uses \u003cstrong data-end=\"8286\" data-start=\"8271\"\u003enatural gas\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8407\" data-start=\"8289\"\u003e\u003cstrong data-end=\"8321\" data-start=\"8289\"\u003eQ: Is this a propane heater?\u003c\/strong\u003e\u003cbr data-end=\"8324\" data-start=\"8321\"\u003eA: No. This is the natural gas model. Propane versions use different model numbers.\u003c\/p\u003e\n\u003cp data-end=\"8488\" data-start=\"8409\"\u003e\u003cstrong data-end=\"8445\" data-start=\"8409\"\u003eQ: How many BTUs is this heater?\u003c\/strong\u003e\u003cbr data-end=\"8448\" data-start=\"8445\"\u003eA: It is rated at \u003cstrong data-end=\"8487\" data-start=\"8466\"\u003e399,000 BTU input\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8579\" data-start=\"8490\"\u003e\u003cstrong data-end=\"8530\" data-start=\"8490\"\u003eQ: What heat exchanger does it have?\u003c\/strong\u003e\u003cbr data-end=\"8533\" data-start=\"8530\"\u003eA: This model uses a \u003cstrong data-end=\"8578\" data-start=\"8554\"\u003eNiTek heat exchanger\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8674\" data-start=\"8581\"\u003e\u003cstrong data-end=\"8617\" data-start=\"8581\"\u003eQ: Does it have polymer headers?\u003c\/strong\u003e\u003cbr data-end=\"8620\" data-start=\"8617\"\u003eA: Yes. This model is listed with \u003cstrong data-end=\"8673\" data-start=\"8654\"\u003epolymer headers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"8808\" data-start=\"8676\"\u003e\u003cstrong data-end=\"8720\" data-start=\"8676\"\u003eQ: Does this heater have built-in Wi-Fi?\u003c\/strong\u003e\u003cbr data-end=\"8723\" data-start=\"8720\"\u003eA: Yes. It includes built-in Wi-Fi for compatible Raymote app control and monitoring.\u003c\/p\u003e\n\u003cp data-end=\"8892\" data-start=\"8810\"\u003e\u003cstrong data-end=\"8842\" data-start=\"8810\"\u003eQ: Is this a Low NOx heater?\u003c\/strong\u003e\u003cbr data-end=\"8845\" data-start=\"8842\"\u003eA: Yes. This AVIA HD model is a Low NOx heater.\u003c\/p\u003e\n\u003cp data-end=\"9001\" data-start=\"8894\"\u003e\u003cstrong data-end=\"8938\" data-start=\"8894\"\u003eQ: What size gas connection does it use?\u003c\/strong\u003e\u003cbr data-end=\"8941\" data-start=\"8938\"\u003eA: It is commonly listed with a \u003cstrong data-end=\"8985\" data-start=\"8973\"\u003e3\/4\" NPT\u003c\/strong\u003e gas connection.\u003c\/p\u003e\n\u003cp data-end=\"9117\" data-start=\"9003\"\u003e\u003cstrong data-end=\"9050\" data-start=\"9003\"\u003eQ: What size water connections does it use?\u003c\/strong\u003e\u003cbr data-end=\"9053\" data-start=\"9050\"\u003eA: It is commonly listed with \u003cstrong data-end=\"9098\" data-start=\"9083\"\u003e2\" buttress\u003c\/strong\u003e water connections.\u003c\/p\u003e\n\u003cp data-end=\"9344\" data-start=\"9119\"\u003e\u003cstrong data-end=\"9173\" data-start=\"9119\"\u003eQ: Should this heater be professionally installed?\u003c\/strong\u003e\u003cbr data-end=\"9176\" data-start=\"9173\"\u003eA: Yes. Professional installation is strongly recommended because this heater requires proper gas, electrical, plumbing, venting, bonding, water-flow, and safety setup.\u003c\/p\u003e\n\u003csection id=\"psd-manuals-sell-sheets\"\u003e\n\u003ch2\u003eManuals \u0026amp; Sell Sheets\u003c\/h2\u003e\n\u003cp\u003eManufacturer reference documents for this equipment family. Confirm your exact model and production revision before use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/AWSProd\/sites\/raypakcom\/documents\/RP-P-600-1.pdf\" rel=\"noopener\" target=\"_blank\"\u003eSell sheet: AVIA heater brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/AWSProd\/sites\/raypakcom\/documents\/100-10000111.pdf\" rel=\"noopener\" target=\"_blank\"\u003eManual: Installation and operation manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":52762878509366,"sku":"RAY018045 -H","price":4923.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/raypak-avia-hd-399k-btu-natural-gas-heater-nitek-low-nox-wi-fi-enabled-p-r404a-en-n-018045-pool-supply-depot-2798642_png.webp?v=1792463591","url":"https:\/\/poolsupplydepot.net\/products\/raypak-avia-hd-p-r404a-en-n-natural-gas-pool-heater-399k-btu-018045","provider":"Pool Supply Depot","version":"1.0","type":"link"}