Hayward W3H400FDN Universal H Series Low NOx 400K BTU Natural Gas Pool Spa Heater

The Hayward Universal H Series Natural Gas Pool Heater brings you quiet, efficient heating for your pool and spa. Its compact design takes up less room on the equipment pad for simple convenience and management. The Hayward Universal H Series Heaters are extremely versatile allowing you to configure water, gas and electric connections on either the right or left side. Delivered right side by default. Using natural gas, the Hayward H Series is reliable and boasts higher heating efficiencies. Connecting to your natural gas line, the Hayward Universal H Series W3H400FDN is easy to install, utilizing its built in inlet and outlet union connections. Hayward Natural Gas heaters are quiet, certified for low NOx emissions and eco friendly. This makes them a dependable and safe pool heater for you and the environment. The W3H400FDN is equipped with a cupro nickel heat exchanger to make it salt water capable.Common QuestionsWhat are the dimensions of the unitHeater Dimensions 36 12 Width x 29 12 Depth x 24 HeightWeight Approx. 214 lbsDoes it come with unionsYes, this unit comes with 2 threaded unions.Heat Exchanger typeCupro Nickel Heat Exchanger.Is this unit Low NOxYes, this unit meets all state air quality regulations.Plumbing SizeThis unit is plumbed 2.

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