PresAir Trol Pressure Switch (TVP117B-0.7PR) acuraspas That makes the union-style design

That makes the union-style design a practical advantage in addition to its flow-control role

Helps restore flow and jet pressure

This part is often replaced when the original weir becomes warped

making it one of the defining hydraulic and structural parts of the pump

A complete manifold assembly with laterals is especially useful in filter service because it restores a major internal distribution component that helps manage water flow through the media bed

PresAir Trol Pressure Switch (TVP117B-0.7PR) acuraspas That makes the union-style designPresAir Trol Pressure Switch (TVP117B 0. 7PR) is a replacement electrical pressure switch designed for compatible PresAir Trol control applications. Pressure switches are used in select pool, spa, and bath equipment systems to help monitor pressure conditions and support safe, responsive operation when paired with the proper control circuit. When working on pool and spa plumbing, valve, or electrical systems, matching the correct manufacturer part