Hayward Universal H-Series Propane Pool Heater, 200,000 BTU, Low NOx | W3H200FDP Vallejo essential for routing flow between

essential for routing flow between lines in a typical loop

Replacing a worn valve restores reliable one-way flow control

Waterway Plastics backs its functional design with a reputation for durable

Direct replacement specifically for Napoleon Ascent 42 models

Hayward Universal H-Series Propane Pool Heater, 200,000 BTU, Low NOx | W3H200FDP Vallejo essential for routing flow betweenHayward W3H200FDP Universal H Series Propane Gas Pool Heater 200,000 BTU Low NOx The Hayward Universal H Series W3H200FDP is a 200,000 BTU propane gas pool heater designed to deliver fast and efficient heating for residential in ground pools and spas. Built with Haywards advanced heating technology, this heater quickly raises water temperature while maintaining strong energy efficiency and reliable operation. The Universal H Series heater features a