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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
400 and 500mj
5 years other components
protect from weather as required
Hayward Heater Display Board (PCB Only) – 50Hz FD — Genuine display PCB for Hayward FD heaters
By-pass plunger
Hayward Gas Heater Gas Valve Natural – FD EvoHeat Fusion Heat Pumps 400 and 500mjHayward Gas Valve Natural FD Genuine natural gas valve for Hayward FD heaters. Factory calibrated for stable fuel delivery and safe combustion. Function: Regulates gas flow to the burner. Compatibility: Hayward FD series natural gas models. Materials: OEM valve body, coil and regulator assembly. Install: Licensed gasfitter only; leak test and commission to spec. Maintenance: Verify pressures during annual service. Why HeaterFix: Correct fuel control
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