{"product_id":"hayward-universal-h-series-in-ground-natural-gas-heater-with-omnix-250k-hs250fdn","title":"Hayward Universal H-Series In-Ground Natural Gas Heater with OmniX 250K | HS250FDN","description":"\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHayward Universal H-Series In-Ground Natural Gas Heater with OmniX 250K | HS250FDN\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e delivers fast, dependable pool and spa heating with modern smart-control technology and durable Hayward construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRated at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e250,000 BTU\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the HS250FDN is an excellent choice for residential in-ground swimming pools, spas, and pool\/spa combinations requiring powerful natural gas heating without stepping up to a larger 400K BTU heater.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAt the center of the HS250FDN is Hayward's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUniversal Display with OmniX embedded intelligence\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing enhanced programmability, advanced diagnostics, and remote-connectivity capabilities. The Universal Display is designed to deliver a consistent control experience across supported Hayward Omni, OmniX, and compatible automation systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA durable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel heat exchanger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides increased resistance to corrosion and premature wear, while Hayward's totally managed water-flow design helps deliver strong hydraulic performance. Low NOx combustion helps meet applicable clean-air requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e250,000 BTU natural gas pool and spa heater\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eBuilt-in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOmniX embedded intelligence\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHayward Universal Display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdvanced heater diagnostics\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhanced programming capabilities\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRemote-connectivity capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDurable \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel heat exchanger\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e84% thermal efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow NOx emissions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eForced-draft combustion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSilicon nitride hot-surface ignition\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTotally managed water-flow system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFront-panel-only service access\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUniversal electrical junction box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeft- or right-side electrical installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for in-ground pools and spas\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent for new construction or replacement applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHayward\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUniversal H-Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHS250FDN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePool \u0026amp; Spa Gas Heater\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIn-Ground Pool \u0026amp; Spa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFuel Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNatural Gas\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eHeating Capacity\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250,000 BTU\/hr\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eThermal Efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e84%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eHeat Exchanger\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCupro-Nickel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMinimum Water Flow\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25 GPM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Water Flow\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e125 GPM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eGas Connection\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3\/4\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eControl Type\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital \/ OmniX\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eIgnition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHot Surface Ignition\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eElectrical\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240V, 60Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePhase\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Phase\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWidth\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDepth\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29.5\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eEmission Rating\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLow NOx\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHayward's technical documentation specifies \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e250,000 BTU input, 25 GPM minimum flow, 125 GPM maximum flow, and 84% thermal efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for the 250 model.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOmniX Smart Control\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HS250FDN incorporates \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOmniX intelligence directly into the heater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, giving homeowners and service professionals improved access to programming and diagnostic information.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen properly connected to compatible Hayward automation and networking equipment, OmniX provides enhanced equipment communication and remote-control capabilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis modern control platform makes the HS250FDN particularly attractive for new pool installations and customers replacing an older Universal H-Series heater.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCupro-Nickel Heat Exchanger\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHayward equips the HS250FDN with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel heat exchanger\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed to provide improved resistance against corrosion and premature wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCupro-nickel construction is especially beneficial in demanding pool environments, but proper water chemistry remains essential for maximizing heater life and performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eEasy Replacement Design\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Universal H-Series platform is engineered with replacement installations in mind. Hayward states that these heaters provide direct compatibility with Hayward plumbing adapters, helping simplify replacement of many existing Universal H-Series installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExisting plumbing, gas supply, electrical service, clearances, and venting requirements should always be verified before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eIs the HS250FDN natural gas or propane?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHS250FDN is a natural gas heater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Customers requiring propane should select the corresponding propane configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHow many BTUs is the HS250FDN?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe heater is rated at \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e250,000 BTU\/hr\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes the HS250FDN have OmniX?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. It features \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOmniX embedded intelligence\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e along with Hayward's Universal Display.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDoes this heater have a cupro-nickel heat exchanger?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. A \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecupro-nickel heat exchanger is standard\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e on this model.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat flow rate does the heater require?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eHayward specifies a minimum flow of approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25 GPM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and a maximum flow of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e125 GPM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat is the thermal efficiency?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe HS250FDN is rated at approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e84% thermal efficiency\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhat size is the heater?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe unit measures approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25\" wide x 29.5\" deep x 24\" high\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs this a Low NOx heater?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYes. The Universal H-Series incorporates \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLow NOx combustion technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e designed to meet applicable clean-air standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCan this replace an older Hayward Universal H-Series heater?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIt is designed to simplify replacement of existing Universal H-Series installations, but the existing plumbing, gas supply, electrical connections, venting, and installation clearances must be confirmed before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIs professional installation recommended?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eYes. Gas pool heaters should be installed by a qualified pool-heater or gas professional. Correct gas-line sizing, ventilation, electrical connections, water flow, and local code compliance are essential for safe and reliable operation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":54534447268150,"sku":"HS250FDN","price":4249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/1167\/9798\/files\/HAY-15-0282-5_medium_e1388f94-42f8-4fe2-b5cf-086aa92a1ed1.jpg?v=1788988523","url":"https:\/\/poolsupplydepot.net\/products\/hayward-universal-h-series-in-ground-natural-gas-heater-with-omnix-250k-hs250fdn","provider":"Pool Supply Depot","version":"1.0","type":"link"}