Hayward FD Heater Bypass Cartridge Kit | FDXLBPK1930 Chlorine Feeders Precision machined component to maintain

Precision machined component to maintain original pump performance and reliability

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Hayward FD Heater Bypass Cartridge Kit | FDXLBPK1930 Chlorine Feeders Precision machined component to maintainHayward FDXLBPK1930 Bypass Cartridge Kit Universal H Series Low NOx Heaters Part Number: FDXLBPK1930 Description This bypass cartridge kit is designed for select Hayward Universal H Series Low NOx pool and spa heaters. It allows the heater to bypass the standard flow path when required, maintaining proper flow and operation while extending system life. Compatibility & Fitment Fits Hayward H Series FD model heaters (for example H150FDN, H150FDP,