PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) cgairsystems OEM Hayward skimmer vacuum plate

OEM Hayward skimmer vacuum plate

and this Infusion Pool Products version comes in light gray using the VRFTHLG reference

A pressure switch helps respond to pressure conditions within a compatible heater-related system

supporting the intended spa feel and more dynamic performance

PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) cgairsystems OEM Hayward skimmer vacuum plateThe PresAir Trol threaded stem pressure switch is designed for compatible systems that use a 1 8 inch MPT connection and require an SPDT pressure activated switch rated at 21 amps. Pressure switches like this play an important role in helping the system respond properly to operating conditions before connected equipment is allowed to run as intended. This replacement is especially useful when the original switch has become inaccurate, intermittent, or