Hayward Universal H-Series Propane Pool Heater, 400,000 BTU, Low NOx | W3H400FDP category_outdoor-heating-timers-and-switches the ADS20 kit integrates into

the ADS20 kit integrates into regular maintenance to manage ash disposal more effectively

PPC4 / PPM4 Match Designed for systems using the PPC4 cell configuration

This allows the heater to perform effectively in open or breezy outdoor environments where traditional heaters often fall short

Fine debris filtration canister

Hayward Universal H-Series Propane Pool Heater, 400,000 BTU, Low NOx | W3H400FDP category_outdoor-heating-timers-and-switches the ADS20 kit integrates intoHayward W3H400FDP Universal H Series Propane Gas Pool Heater 400,000 BTU Low NOx The Hayward Universal H Series W3H400FDP is a high capacity propane gas pool heater delivering 400,000 BTU of heating performance for larger residential pools and spa systems. Engineered for rapid heat up and reliable operation, this heater allows pool owners to quickly reach desired water temperatures. The heater incorporates a durable Cupro Nickel heat exchanger and