PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) invensys Designed for compatible 2 inch

Designed for compatible 2 inch Hayward plumbing

A diverter jet barrel plays a key role in how water is routed and felt at the seat

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

heavily worn

or no longer offers reliable automatic and manual control

PresAir Trol Threaded Stem Pressure Switch [21A] [1/8" MPT] [SPDT] (PM11120A) invensys Designed for compatible 2 inchThe 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