Hayward Universal H-Series BTU Pool and Spa Heater, Propane, Low Nox single-and-multi-gas-detectors reducing risk of metal discoloration/oxidation

reducing risk of metal discoloration/oxidation and heat related stress cracks

then expand within the ear canal to help reduce noise exposure

With unparalleled customer service and support

<br><br> *The NRR may overestimate the hearing protection provided during typical use

Professional Grade

Hayward Universal H-Series BTU Pool and Spa Heater, Propane, Low Nox single-and-multi-gas-detectors reducing risk of metal discoloration/oxidationHayward W3H400FDP Universal H Series 400,000 BTU Propane Pool and Spa Heater for In Ground Pools and Spas The Hayward Universal H Series 400,000 BTU Propane Heater delivers premium heating performance for years of reliable, long lasting comfort A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry Industry leading hydraulic design reduces circulation pump run