Hydro-Quip Pressure Switch Sensor (34-0178)(3902) timeclock Useful when original cartridges are

Useful when original cartridges are loaded or worn

When a check valve becomes worn or inconsistent

The Hayward frame screw set is designed for compatible WG1048AV drain applications where the cover or frame hardware needs replacement

A wear ring helps manage the internal running relationship between moving and stationary pump parts

Replacing it can help restore a cleaner plumbing path and improve the ease of future service

Hydro-Quip Pressure Switch Sensor (34-0178)(3902) timeclock Useful when original cartridges areThe Hydro Quip pressure switch sensor is designed for compatible heater and control applications where the system needs a dependable pressure related sensing component. A pressure switch is useful because it helps verify supported operating conditions before the heater or related functions continue, contributing to more protective system behavior. This replacement is especially useful when the original switch has failed, is reading inconsistently, or