{"product_id":"hayward-w3hs250fdp-universal-h-series-liquid-propane-heater-with-omnix-250k-btu","title":"Hayward 250K BTU Liquid Propane Heater with OmniX, Universal H-Series  | W3HS250FDP |","description":"\u003cp data-start=\"153\" data-end=\"563\"\u003eHayward W3HS250FDP is a Universal H-Series liquid propane heater designed for pool and spa heating applications. This 250,000 BTU model features OmniX connectivity for app-based control, scheduling, diagnostics, and remote access when used with a compatible gateway. It is built with a standard cupronickel heat exchanger and is suited for installations requiring dependable propane-fired pool and spa heating.\u003c\/p\u003e\n\u003cp data-start=\"565\" data-end=\"605\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"607\" data-end=\"619\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"621\" data-end=\"1726\"\u003e• Hayward W3HS250FDP is a Universal H-Series liquid propane heater designed for pool and spa heating applications with built-in OmniX functionality.\u003cbr data-start=\"769\" data-end=\"772\"\u003e• This model is rated at 250,000 BTU for dependable heating performance in compatible pool and spa systems.\u003cbr data-start=\"879\" data-end=\"882\"\u003e• The heater uses a standard cupronickel heat exchanger for improved durability in demanding water conditions.\u003cbr data-start=\"992\" data-end=\"995\"\u003e• OmniX capability supports mobile app control, scheduling, diagnostics, and remote connectivity when paired with a compatible Hayward OmniX Gateway.\u003cbr data-start=\"1144\" data-end=\"1147\"\u003e• Universal Display controls provide an integrated interface for standalone operation and compatible remote control configurations.\u003cbr data-start=\"1278\" data-end=\"1281\"\u003e• This heater uses forced-draft combustion with hot surface ignition to support consistent heater operation in properly installed systems.\u003cbr data-start=\"1419\" data-end=\"1422\"\u003e• The unit is designed for 120 or 240 VAC electrical service on applicable 250K models, offering flexible installation options where permitted by code.\u003cbr data-start=\"1573\" data-end=\"1576\"\u003e• Integrated operation modes support standalone control, OmniX app control, 2-wire or 3-wire remote control, and Hayward Omni automation connection.\u003c\/p\u003e\n\u003cp data-start=\"1728\" data-end=\"1768\"\u003e────────────────────────────────────────\u003c\/p\u003e\n\u003cp data-start=\"1770\" data-end=\"1786\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1788\" data-end=\"2353\"\u003eThe Hayward W3HS250FDP Universal H-Series Liquid Propane Heater with OmniX is built for pool and spa owners who want dependable propane heat with modern control capability. Rated at 250,000 BTU, this model combines a compact heater platform with Hayward’s Universal Display and OmniX connectivity, allowing the heater to be configured and operated through onboard controls or through the OmniX mobile app. That makes it a practical option for installations where users want better programmability, more convenient control access, and improved diagnostic visibility.\u003c\/p\u003e\n\u003cp data-start=\"2355\" data-end=\"2881\"\u003eThis heater is also designed around long-term durability and installation flexibility. The standard cupronickel heat exchanger helps improve resistance to corrosion-related wear, and the unit supports multiple control methods including standalone operation, remote thermostat control, and Hayward Omni automation integration. For pool and spa applications where reliable heating performance, liquid propane compatibility, and connected control are key priorities, this model offers a strong and serviceable equipment solution.\u003cbr\u003e\u003cbr\u003e\u003c\/p\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)\u003c\/h2\u003e\n\u003cp data-start=\"79\" data-end=\"299\"\u003e\u003cstrong data-start=\"79\" data-end=\"152\"\u003eQ: What is the Hayward W3HS250FDP Universal H-Series heater used for?\u003c\/strong\u003e\u003cbr data-start=\"152\" data-end=\"155\"\u003eA: The Hayward W3HS250FDP is a 250,000 BTU liquid propane pool and spa heater designed for reliable heating in residential pool and spa systems.\u003c\/p\u003e\n\u003chr data-start=\"301\" data-end=\"304\"\u003e\n\u003cp data-start=\"306\" data-end=\"476\"\u003e\u003cstrong data-start=\"306\" data-end=\"362\"\u003eQ: Is the Hayward W3HS250FDP propane or natural gas?\u003c\/strong\u003e\u003cbr data-start=\"362\" data-end=\"365\"\u003eA: This model is designed for liquid propane. Natural gas versions are available under different model numbers.\u003c\/p\u003e\n\u003chr data-start=\"478\" data-end=\"481\"\u003e\n\u003cp data-start=\"483\" data-end=\"677\"\u003e\u003cstrong data-start=\"483\" data-end=\"540\"\u003eQ: What size pool is the Hayward W3HS250FDP best for?\u003c\/strong\u003e\u003cbr data-start=\"540\" data-end=\"543\"\u003eA: This 250K BTU heater is best for small to medium-sized pools, spas, and pool\/spa combinations that need steady heating performance.\u003c\/p\u003e\n\u003chr data-start=\"679\" data-end=\"682\"\u003e\n\u003cp data-start=\"684\" data-end=\"871\"\u003e\u003cstrong data-start=\"684\" data-end=\"726\"\u003eQ: Is the Hayward W3HS250FDP worth it?\u003c\/strong\u003e\u003cbr data-start=\"726\" data-end=\"729\"\u003eA: Yes. It is a strong option for pool owners who need dependable propane heating, cupronickel durability, and OmniX smart control capability.\u003c\/p\u003e\n\u003chr data-start=\"873\" data-end=\"876\"\u003e\n\u003cp data-start=\"878\" data-end=\"1097\"\u003e\u003cstrong data-start=\"878\" data-end=\"925\"\u003eQ: What is OmniX on the Hayward W3HS250FDP?\u003c\/strong\u003e\u003cbr data-start=\"925\" data-end=\"928\"\u003eA: OmniX is Hayward’s connected control platform that supports app-based control, scheduling, diagnostics, and remote access when paired with a compatible OmniX Gateway.\u003c\/p\u003e\n\u003chr data-start=\"1099\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1104\" data-end=\"1302\"\u003e\u003cstrong data-start=\"1104\" data-end=\"1162\"\u003eQ: Can I control the Hayward W3HS250FDP from my phone?\u003c\/strong\u003e\u003cbr data-start=\"1162\" data-end=\"1165\"\u003eA: Yes. When connected with a compatible Hayward OmniX Gateway, this heater can be monitored and controlled through the OmniX mobile app.\u003c\/p\u003e\n\u003chr data-start=\"1304\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1309\" data-end=\"1566\"\u003e\u003cstrong data-start=\"1309\" data-end=\"1371\"\u003eQ: Is the Hayward W3HS250FDP suitable for saltwater pools?\u003c\/strong\u003e\u003cbr data-start=\"1371\" data-end=\"1374\"\u003eA: Yes. The cupronickel heat exchanger provides improved corrosion resistance, making it suitable for saltwater and chemically treated pool systems when water chemistry is properly maintained.\u003c\/p\u003e\n\u003chr data-start=\"1568\" data-end=\"1571\"\u003e\n\u003cp data-start=\"1573\" data-end=\"1817\"\u003e\u003cstrong data-start=\"1573\" data-end=\"1647\"\u003eQ: Can the Hayward W3HS250FDP replace my existing propane pool heater?\u003c\/strong\u003e\u003cbr data-start=\"1647\" data-end=\"1650\"\u003eA: Yes. It can replace many existing propane heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, venting, and local code requirements.\u003c\/p\u003e\n\u003chr data-start=\"1819\" data-end=\"1822\"\u003e\n\u003cp data-start=\"1824\" data-end=\"2046\"\u003e\u003cstrong data-start=\"1824\" data-end=\"1893\"\u003eQ: Does the Hayward W3HS250FDP require professional installation?\u003c\/strong\u003e\u003cbr data-start=\"1893\" data-end=\"1896\"\u003eA: Yes. Professional installation is recommended due to propane gas sizing, electrical wiring, plumbing integration, venting, and safety requirements.\u003c\/p\u003e\n\u003chr data-start=\"2048\" data-end=\"2051\"\u003e\n\u003cp data-start=\"2053\" data-end=\"2271\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2053\" data-end=\"2133\"\u003eQ: When should I choose the Hayward W3HS250FDP instead of a 400K BTU heater?\u003c\/strong\u003e\u003cbr data-start=\"2133\" data-end=\"2136\"\u003eA: Choose this 250K BTU model if you have a smaller or medium-sized pool and do not need the faster heat-up power of a 400K BTU heater.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":44123079671851,"sku":"W3HS250FDP","price":4299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1589\/7131\/files\/Universal_H_Series_H135_H150_Left_bf246dae-09b1-4ce7-8f4e-ea927e2b156e.png?v=1779703880","url":"https:\/\/auremontdirect.com\/products\/hayward-w3hs250fdp-universal-h-series-liquid-propane-heater-with-omnix-250k-btu","provider":"Auremont Direct","version":"1.0","type":"link"}