{"product_id":"hayward-hdf400-universal-hc-series-dual-fuel-pool-and-spa-heater-400k-btu","title":"HAYWARD UNIVERSAL HC SERIES HDF400 LOW NOX DUAL FUEL POOL \u0026 SPA HEATER – 400K BTU, CUPRO-NICKEL HEAT EXCHANGER","description":"\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 31\" H x 28\" W x 21\" L\u003cbr\u003e\u003cstrong\u003eHeating Capacity:\u003c\/strong\u003e 400,000 BTU\u003cbr\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Dual Fuel (Natural Gas \/ Propane)\u003cbr\u003e\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Cupro-Nickel\u003cbr\u003e\u003cstrong\u003eMaximum Water Flow:\u003c\/strong\u003e 125 GPM\u003cbr\u003e\u003cstrong\u003eRear Clearance:\u003c\/strong\u003e 0\"\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 135 lbs\u003cbr\u003e\u003cstrong\u003eEmissions:\u003c\/strong\u003e Low NOx\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eHayward HDF400 Universal HC Series Dual Fuel Pool \u0026amp; Spa Heater\u003c\/strong\u003e delivers \u003cstrong\u003e400,000 BTU\u003c\/strong\u003e and solves a problem that costs dealers real money: committing to a fuel type at time of order.\u003c\/p\u003e\u003cp\u003eAn \u003cstrong\u003eeasy-out air\/gas mixing orifice\u003c\/strong\u003e allows in-field conversion between \u003cstrong\u003enatural gas and propane\u003c\/strong\u003e, so one unit covers both jobs. Stock one SKU instead of two, and convert on site if the customer's fuel supply turns out different than quoted.\u003c\/p\u003e\u003cp\u003eThe cabinet is remarkably compact for the output - 31 inches tall, 28 wide, 21 deep, and only \u003cstrong\u003e135 lbs\u003c\/strong\u003e - with a \u003cstrong\u003ezero-inch rear clearance\u003c\/strong\u003e rating that lets it sit flat against a wall. A patented \u003cstrong\u003ebutterfly bypass valve\u003c\/strong\u003e handles flow rates up to 125 GPM without add-on accessories, and a cupro-nickel heat exchanger comes standard for corrosion resistance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e400,000 BTU heating capacity\u003c\/li\u003e\n\u003cli\u003eDual fuel - field convertible between natural gas and propane\u003c\/li\u003e\n\u003cli\u003eEasy-out air\/gas mixing orifice for in-field conversion\u003c\/li\u003e\n\u003cli\u003eCupro-nickel heat exchanger standard\u003c\/li\u003e\n\u003cli\u003ePatented butterfly bypass valve - up to 125 GPM with no extra accessories\u003c\/li\u003e\n\u003cli\u003eZero-inch rear wall clearance\u003c\/li\u003e\n\u003cli\u003eCompact 135 lb cabinet\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions\u003c\/li\u003e\n\u003cli\u003eLow ambient operation down to 40 F\u003c\/li\u003e\n\u003cli\u003eDrop-in replacement with Hayward plumbing adapters\u003c\/li\u003e\n\u003cli\u003e3-year parts and 1-year labor warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHayward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eHDF400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eUniversal HC Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eDual Fuel (Natural Gas \/ Propane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBTU Input\u003c\/td\u003e\n\u003ctd\u003e400,000 BTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeat Exchanger\u003c\/td\u003e\n\u003ctd\u003eCupro-Nickel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Water Flow\u003c\/td\u003e\n\u003ctd\u003e125 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBypass\u003c\/td\u003e\n\u003ctd\u003ePatented Butterfly Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e31\" H x 28\" W x 21\" L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight\u003c\/td\u003e\n\u003ctd\u003e135 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e168 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e120\/240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003eSingle Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Amps\u003c\/td\u003e\n\u003ctd\u003e5.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Breaker Size\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClearances\u003c\/td\u003e\n\u003ctd\u003e12\" Sides \/ 0\" Rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e40 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions\u003c\/td\u003e\n\u003ctd\u003eLow NOx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-Year Parts \/ 1-Year Labor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHayward HDF400 Universal HC Series Dual Fuel Pool \u0026amp; Spa Heater\u003c\/li\u003e\n\u003cli\u003eCupro-nickel heat exchanger assembly\u003c\/li\u003e\n\u003cli\u003eEasy-out air\/gas mixing orifice for fuel conversion\u003c\/li\u003e\n\u003cli\u003ePatented butterfly bypass valve\u003c\/li\u003e\n\u003cli\u003eInstallation and operation documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003eHayward HDF400\u003c\/strong\u003e combines 400,000 BTU, field-convertible dual fuel, and a zero-clearance 135 lb cabinet - one of the most installation-friendly high-output heaters available.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLearn more at Hayward:\u003c\/strong\u003e\u003cbr\u003e\u003ca href=\"https:\/\/www.hayward.com\/universal-hc-series-heater-400-000-btu-dual-fuel-hdf400.html\"\u003ehttps:\/\/www.hayward.com\/universal-hc-series-heater-400-000-btu-dual-fuel-hdf400.html\u003c\/a\u003e\u003c\/p\u003e\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48867136176377,"sku":"HDF400","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0812\/1810\/9689\/files\/ProductImage_2_600x600_566a6f03-2e20-4c5d-9c53-8fd5ec680e0c.jpg?v=1787271651","url":"https:\/\/poolave.com\/es\/products\/hayward-hdf400-universal-hc-series-dual-fuel-pool-and-spa-heater-400k-btu","provider":"PoolAve ","version":"1.0","type":"link"}