PresAir Trol Tinytrol Pressure Switch [21A] [1/8" MPT] [SPDT] [2 PSI] (TNP-111R-2PR) defilters Manual air relief assembly for

Manual air relief assembly for compatible Hayward Swim-Clear and Pro-Grid filter applications

The PresAir Trol air button switch in SPDT alternate format is designed for compatible pneumatic systems that need single-pole maintained-state switching with a center spout configuration

and WB compatibility and 7-1/4 inch diameter by 6 inch height relationship give this float practical value because skimmer float parts work best when they match the original dimensions and movement style closely

replacing the impeller can be one of the most direct steps in restoring performance

which matters because a heater needs to fit the flow path cleanly if the final repair is going to feel complete and service-worthy

PresAir Trol Tinytrol Pressure Switch [21A] [1/8" MPT] [SPDT] [2 PSI] (TNP-111R-2PR) defilters Manual air relief assembly forThe PresAir Trol TinyTrol pressure switch is built for compatible systems that use a 1 8 inch MPT connection and need an SPDT switch rated at 21 amps with a 2 PSI operating point. Pressure switches like this are useful because they help confirm the proper pressure condition before the connected equipment operates the way it should. This model is especially valuable when the original switch no longer reacts accurately, causes intermittent operation, or