PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) cgairsystems A pressure switch helps respond

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

OEM Hayward skimmer vacuum plate

The 25141-600 is a practical service part when a compatible skimmer needs a weir to restore dependable surface-skimming performance

ID approximately 5-3/8 x 5 inches

PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) cgairsystems A pressure switch helps respondThe 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