{"product_id":"haywarduniversalhseriesnaturalgasheater400000btuslownoxw3h400fdnhppw3h400fdn","title":"Hayward Universal H-Series Natural Gas Heater 400,000 BTUs, Low NOx | W3H400FDN","description":"\u003cdiv\u003e\n\u003ch1\u003eHayward Universal H-Series Natural Gas Heater 400,000 BTUs, Low NOx | W3H400FDN\u003c\/h1\u003e\n\u003cp\u003eThe Hayward Universal H-Series W3H400FDN Low NOx Pool Heater delivers powerful performance with an impressive 400,000 BTUs, making it the perfect choice for large residential or commercial pools and spas. Engineered for energy efficiency and dependable operation, this natural gas heater is designed to meet the rigorous demands of pool professionals and pool owners who value robust heating capacity and durability.\u003c\/p\u003e\n\u003cp\u003eEquipped with a premium cupro nickel heat exchanger, the W3H400FDN provides exceptional resistance to corrosion from salt water and chemically treated pools, ensuring longer life and reliable heating performance. Its universal design makes it highly adaptable for new installations or as a replacement, with flexible plumbing and electrical connections to suit diverse system requirements.\u003c\/p\u003e\n\u003cp\u003eCompliant with low NOx emission standards, the W3H400FDN is an environmentally responsible solution that contributes to improved air quality. Hayward’s dedication to innovative engineering ensures this heater delivers fast, efficient, and consistent heating to keep your pool water at the perfect temperature throughout the swimming season.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: W3H400FDN\u003c\/li\u003e\n\u003cli\u003eFuel Type: Natural Gas\u003c\/li\u003e\n\u003cli\u003eHeating Capacity: 400,000 BTUs\u003c\/li\u003e\n\u003cli\u003eHeat Exchanger: Cupro Nickel for superior corrosion resistance\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient design helps reduce operational costs\u003c\/li\u003e\n\u003cli\u003eElectrical Requirements: 120V \/ 240V\u003c\/li\u003e\n\u003cli\u003eAmperage: 5.5 amps\u003c\/li\u003e\n\u003cli\u003eMinimum Flow Rate: 20 gallons per minute\u003c\/li\u003e\n\u003cli\u003ePlumbing Connections: 2\" x 2-1\/2\" CPVC union fittings\u003c\/li\u003e\n\u003cli\u003ePatented header by-pass design for optimized hydraulic performance\u003c\/li\u003e\n\u003cli\u003eLow NOx emissions compliant with clean air quality standards\u003c\/li\u003e\n\u003cli\u003eApplication: Suitable for large residential and commercial pools and spas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSKU: W3H400FDN\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":46797774389423,"sku":"W3H400FDN","price":5099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/hayward-universal-h-series-natural-gas-heater-400000-btus-low-nox-w3h400fdn-hayward-228178.jpg?v=1777067145","url":"https:\/\/freshized.com\/products\/haywarduniversalhseriesnaturalgasheater400000btuslownoxw3h400fdnhppw3h400fdn","provider":"Freshized","version":"1.0","type":"link"}