PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) invensys heavily worn

heavily worn

A start capacitor helps deliver the temporary electrical boost a compatible motor needs during startup

which matters in spas where trim and visible jet parts contribute significantly to the overall interior look

or no longer offers reliable automatic and manual control

This model is especially useful when the original switch has become inconsistent

PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) invensys heavily wornThe 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