![Hayward Universal H-Series Heater, Low NOx, 400,000 BTU, Natural Gas, Cupro-Nickel Heat Exchanger - W3H400FDN - INYOPools.com Hayward Universal H-Series Heater, Low NOx, 400,000 BTU, Natural Gas, Cupro-Nickel Heat Exchanger - W3H400FDN - INYOPools.com](https://images.inyopools.com/cloud/images/hayward-h400fdn-01.jpeg?format=jpg&scale=both&anchor=middlecenter&autorotate=true&mode=pad&width=650&height=650)
Hayward Universal H-Series Heater, Low NOx, 400,000 BTU, Natural Gas, Cupro-Nickel Heat Exchanger - W3H400FDN - INYOPools.com
![Amazon.com : Hayward IDXJKT1100 Jacket Top Replacement for Hayward H-Series Induced Draft and Pool Heater : Swimming Pool And Spa Supplies : Patio, Lawn & Garden Amazon.com : Hayward IDXJKT1100 Jacket Top Replacement for Hayward H-Series Induced Draft and Pool Heater : Swimming Pool And Spa Supplies : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/51eTUrB6vfL.jpg)
Amazon.com : Hayward IDXJKT1100 Jacket Top Replacement for Hayward H-Series Induced Draft and Pool Heater : Swimming Pool And Spa Supplies : Patio, Lawn & Garden
![Hayward Above Ground 150,000 BTU Gas Heater - Rogers Pool & Swimming Pool Sales, Installation, and Service Hayward Above Ground 150,000 BTU Gas Heater - Rogers Pool & Swimming Pool Sales, Installation, and Service](https://rogerspools.com/wp-content/uploads/2019/04/Hayward150000BTU.jpg)