Hydro-Quip Pressure Switch Sensor (34-0178)(3902) timeclock and this Balboa Microssage 1

and this Balboa Microssage 1 inch by 1 inch Jet Assembly is designed for compatible white-finish applications where the original assembly has become worn

Helps restore accurate system temperature monitoring

Useful when original cartridges are loaded or worn

This version is especially useful when the system requires 230 volt service

Hydro-Quip Pressure Switch Sensor (34-0178)(3902) timeclock and this Balboa Microssage 1The 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