PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) cgairsystems The double-gasket design makes it

The double-gasket design makes it a strong choice for restoring sealing confidence at the wall fitting

Designed for compatible bath heating replacement applications

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

the system operates more cleanly

PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) cgairsystems The double-gasket design makes itThe 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