The Hayward H-Series Pool Heater, NG - 400K BTU W3H400FDN offers outstanding heating performance, ensuring reliable and long-lasting comfort. This heater features a cupro-nickel heat exchanger that provides excellent protection against corrosion and premature failure. The industry-leading hydraulic design minimizes circulation pump run time which leads to significant energy savings.
Details:
- Hayward P/N: W3H135FDN
- BTU: 135,000
- Thermal Efficiency: 82%
- Natural Gas
- Gas Connection: 3/4"
- Heat Exchanger: Cupro Nickel
- Water Flo max: 125 GPM
- Water Flo min: 20 GPM
Important:
This pool heater is not compatible with any soft-sided pools (Intex, Coleman, Bestway etc.) due to insufficient flow rate. Installing this unit on a soft-sided pool voids product warranty.