{"product_id":"raypakaviapropanegasheater400000btucopperheatexchanger018039ray018039","title":"Raypak | 018039 | P-R404A-EP-C | 0-4500 | Avia Propane Gas Pool Heater – 400K BTU, Copper Heat Exchanger","description":"\u003cp data-start=\"251\" data-end=\"588\"\u003e\u003cstrong data-start=\"251\" data-end=\"296\"\u003eThe Raypak 018039 Avia Propane Gas Heater\u003c\/strong\u003e is a 400,000 BTU high-performance pool and spa heater designed to deliver powerful heating, smart digital control, and energy efficiency. Built with a copper heat exchanger and integrated Wi-Fi technology, it offers dependable comfort and modern convenience for residential pools and spas.\u003c\/p\u003e\n\u003chr data-start=\"590\" data-end=\"593\"\u003e\n\u003ch3 data-start=\"595\" data-end=\"617\"\u003e\u003cstrong data-start=\"599\" data-end=\"615\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"619\" data-end=\"1234\"\u003e\n\u003cli data-start=\"619\" data-end=\"672\"\u003e\n\u003cp data-start=\"621\" data-end=\"672\"\u003e400,000 BTU propane gas heater for pools and spas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"673\" data-end=\"730\"\u003e\n\u003cp data-start=\"675\" data-end=\"730\"\u003eCopper heat exchanger ensures efficient heat transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"731\" data-end=\"783\"\u003e\n\u003cp data-start=\"733\" data-end=\"783\"\u003eSmart digital control system with built-in Wi-Fi\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"784\" data-end=\"857\"\u003e\n\u003cp data-start=\"786\" data-end=\"857\"\u003eCompatible with Raymote mobile app for remote monitoring and control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"858\" data-end=\"921\"\u003e\n\u003cp data-start=\"860\" data-end=\"921\"\u003eFast heating performance reduces pool and spa warm-up times\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"922\" data-end=\"972\"\u003e\n\u003cp data-start=\"924\" data-end=\"972\"\u003eEnergy-efficient design lowers operating costs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"973\" data-end=\"1039\"\u003e\n\u003cp data-start=\"975\" data-end=\"1039\"\u003eCorrosion- and weather-resistant housing for long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1040\" data-end=\"1107\"\u003e\n\u003cp data-start=\"1042\" data-end=\"1107\"\u003eCompact footprint allows installation in tight equipment spaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1108\" data-end=\"1165\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1165\"\u003eAdvanced diagnostics simplify service and maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1166\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1168\" data-end=\"1234\"\u003eLow NOx emissions meet strict environmental compliance standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1236\" data-end=\"1239\"\u003e\n\u003ch3 data-start=\"1241\" data-end=\"1267\"\u003e\u003cstrong data-start=\"1245\" data-end=\"1265\"\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1268\" data-end=\"1535\"\u003eThe Raypak 018039 Avia Propane Gas Heater combines maximum heating capacity with advanced control features. With 400K BTUs of output, it quickly heats large residential pools and spas, while the copper heat exchanger ensures reliable and effective thermal transfer.\u003c\/p\u003e\n\u003cp data-start=\"1537\" data-end=\"1871\"\u003eFeaturing integrated Wi-Fi and Raypak’s Raymote™ app compatibility, the Avia offers full remote access to settings, scheduling, and real-time system monitoring from any smart device. Its intuitive digital interface makes managing your pool heating system simple, while built-in diagnostics assist in troubleshooting and maintenance.\u003c\/p\u003e\n\u003cp data-start=\"1873\" data-end=\"2164\"\u003eCompact and rugged, the Avia is engineered to fit easily into small equipment pads while withstanding harsh outdoor conditions. With its blend of power, efficiency, and connectivity, the Raypak 018039 is the perfect solution for pool owners seeking reliable heating and modern convenience.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:8afe44cd-c4a9-4c3d-a95a-028e49224b24-55\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:8afe44cd-c4a9-4c3d-a95a-028e49224b24-55\" data-testid=\"conversation-turn-110\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c46bef2a-7907-4621-8b13-e47244de87a3\" dir=\"auto\" data-message-model-slug=\"gpt-5-5-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"40\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003ch2 data-section-id=\"w1c0q0\" data-start=\"42\" data-end=\"77\"\u003eFrequently Asked Questions (FAQ)\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"79\" data-end=\"324\"\u003e\u003cstrong data-start=\"79\" data-end=\"145\"\u003eQ: What is the Raypak 018039 Avia Propane Gas Heater used for?\u003c\/strong\u003e\u003cbr data-start=\"145\" data-end=\"148\"\u003eA: The Raypak 018039 Avia is a 400,000 BTU propane pool and spa heater designed for large residential pools, spas, and pool\/spa combinations that need fast heating performance.\u003c\/p\u003e\n\u003chr data-start=\"326\" data-end=\"329\"\u003e\n\u003cp data-start=\"331\" data-end=\"556\"\u003e\u003cstrong data-start=\"331\" data-end=\"382\"\u003eQ: Is the Raypak 018039 Avia Low NOx compliant?\u003c\/strong\u003e\u003cbr data-start=\"382\" data-end=\"385\"\u003eA: Yes. This Avia model meets Low NOx emission standards, making it suitable for regulated areas such as California and other regions with strict air quality requirements.\u003c\/p\u003e\n\u003chr data-start=\"558\" data-end=\"561\"\u003e\n\u003cp data-start=\"563\" data-end=\"742\"\u003e\u003cstrong data-start=\"563\" data-end=\"620\"\u003eQ: What size pool is the Raypak 018039 Avia best for?\u003c\/strong\u003e\u003cbr data-start=\"620\" data-end=\"623\"\u003eA: This 400K BTU heater is best for large pools, attached spas, and applications where quick heat-up time is important.\u003c\/p\u003e\n\u003chr data-start=\"744\" data-end=\"747\"\u003e\n\u003cp data-start=\"749\" data-end=\"953\"\u003e\u003cstrong data-start=\"749\" data-end=\"791\"\u003eQ: Is the Raypak 018039 Avia worth it?\u003c\/strong\u003e\u003cbr data-start=\"791\" data-end=\"794\"\u003eA: Yes. It is a strong option for pool owners who want high BTU output, propane operation, built-in Wi-Fi, smart diagnostics, and reliable heating performance.\u003c\/p\u003e\n\u003chr data-start=\"955\" data-end=\"958\"\u003e\n\u003cp data-start=\"960\" data-end=\"1131\"\u003e\u003cstrong data-start=\"960\" data-end=\"1017\"\u003eQ: Is this Raypak Avia heater propane or natural gas?\u003c\/strong\u003e\u003cbr data-start=\"1017\" data-end=\"1020\"\u003eA: This model is designed for propane gas. Natural gas Avia models are available under different model numbers.\u003c\/p\u003e\n\u003chr data-start=\"1133\" data-end=\"1136\"\u003e\n\u003cp data-start=\"1138\" data-end=\"1331\"\u003e\u003cstrong data-start=\"1138\" data-end=\"1196\"\u003eQ: Can I control the Raypak 018039 Avia from my phone?\u003c\/strong\u003e\u003cbr data-start=\"1196\" data-end=\"1199\"\u003eA: Yes. Built-in Wi-Fi allows remote monitoring, scheduling, temperature adjustment, and diagnostics through the Raymote mobile app.\u003c\/p\u003e\n\u003chr data-start=\"1333\" data-end=\"1336\"\u003e\n\u003cp data-start=\"1338\" data-end=\"1633\"\u003e\u003cstrong data-start=\"1338\" data-end=\"1404\"\u003eQ: Can the Raypak 018039 Avia replace my existing pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1404\" data-end=\"1407\"\u003eA: Yes. Its compact footprint and retrofit-friendly design make it suitable for many replacement installations, but compatibility depends on propane gas supply, plumbing, electrical setup, venting, and local code requirements.\u003c\/p\u003e\n\u003chr data-start=\"1635\" data-end=\"1638\"\u003e\n\u003cp data-start=\"1640\" data-end=\"1869\"\u003e\u003cstrong data-start=\"1640\" data-end=\"1697\"\u003eQ: Is the Raypak 018039 suitable for saltwater pools?\u003c\/strong\u003e\u003cbr data-start=\"1697\" data-end=\"1700\"\u003eA: Yes. The copper heat exchanger provides efficient heat transfer, but proper water chemistry should be maintained, especially in saltwater or chemically treated pools.\u003c\/p\u003e\n\u003chr data-start=\"1871\" data-end=\"1874\"\u003e\n\u003cp data-start=\"1876\" data-end=\"2114\"\u003e\u003cstrong data-start=\"1876\" data-end=\"1940\"\u003eQ: Does the Raypak 018039 require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1940\" data-end=\"1943\"\u003eA: Yes. Professional installation is recommended because the heater requires proper propane gas sizing, electrical wiring, plumbing, venting, and setup for safe operation.\u003c\/p\u003e\n\u003chr data-start=\"2116\" data-end=\"2119\"\u003e\n\u003cp data-start=\"2121\" data-end=\"2336\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2121\" data-end=\"2198\"\u003eQ: Why choose the Raypak 018039 Avia instead of a smaller propane heater?\u003c\/strong\u003e\u003cbr data-start=\"2198\" data-end=\"2201\"\u003eA: Choose the 400K BTU Avia if you have a large pool, attached spa, or need faster heat-up times compared to lower BTU propane heaters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":44123069120555,"sku":"018039","price":4200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/RAY018039_1.png?v=1779703466","url":"https:\/\/auremontdirect.com\/products\/raypakaviapropanegasheater400000btucopperheatexchanger018039ray018039","provider":"Auremont Direct","version":"1.0","type":"link"}