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Turn off pump and release tank pressure before removing the old cartridge
Flue connection parts are missing or damaged
Supports proper alignment of bulkhead assembly components
Waterway Plastics has built a solid reputation among professionals for dependable engineering in pool components
Hayward Universal H-Series Natural Gas Pool Heater, 135,000 BTU, Low NOx | W3H135FDN Patio Furniture Turn off pump and releaseHayward W3H135FDN Universal H Series Natural Gas Pool Heater 135,000 BTU Low NOx The Hayward Universal H Series W3H135FDN is a 135,000 BTU natural gas pool heater engineered for efficient, reliable heating of residential in ground pools and spas. Designed with industry leading hydraulic performance and energy efficiency, this heater delivers fast heat up times while helping reduce circulation pump run time. Built with a corrosion resistant Cupro