{"product_id":"hayward-w3h400fdn-400k-btu-low-nox-universal-h-series-natural-gas-heater-6","title":"Hayward W3H400FDN 400K BTU Low NOx Universal H-Series Natural Gas Heater","description":"\u003cp\u003eThe Hayward H-Series W3H400FDN Natural Gas Pool and Spa Heater is environmentally friendly and energy efficient. Boasting an industry leading 84 percent thermal efficiency the environmentally friendly H-Series complies with all current California and Texas air quality emission standards. It is also the only pool heater to offer Cupro Nickel heat exchangers standard on all models. Cupro-Nickel is designed to withstand the harshest pool environments like low pH, high flow and heavy pool use and is also recommended for all pools using salt systems.\u003c\/p\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eFor In-Ground Pools and Spas\u003c\/li\u003e\n\u003cli\u003eElectronic Ignition Dual Thermostat\u003c\/li\u003e\n\u003cli\u003e400K BTU Natural Gas (NG)\u003c\/li\u003e\n\u003cli\u003eCupro Nickel Heat Exchangers\u003c\/li\u003e\n\u003cli\u003eEasy-to-read L.E.D. digital Control Panel\u003c\/li\u003e\n\u003cli\u003eNew polymer header provides superior hydraulic performance\u003c\/li\u003e\n\u003cli\u003eLarger diameter plumbing systems with 2\" x 2.5\" CPVC unions\u003c\/li\u003e\n\u003cli\u003eMeets the NOx Emission standards\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":47427672375542,"sku":"HAY-W3H400FDN-BS","price":5099.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/5114\/8978\/files\/hay-w3h400fdn-bs.jpg?v=1730918892","url":"https:\/\/www.majorpoolsupplies.com\/products\/hayward-w3h400fdn-400k-btu-low-nox-universal-h-series-natural-gas-heater-6","provider":"Major Pool Supplies","version":"1.0","type":"link"}