PresAir Trol Vacuum Switch [25A] [1/8" MPT] [Adj] [135-300" Water] (VM12540E) brominegenerators Matching the correct dark gray

Matching the correct dark gray and stainless steel crown-style internal helps preserve intended fit and a more premium appearance

Multiport valves play a major role in how water is redirected through a compatible filter setup

Designed for 1-jet and blower layouts

Matching the correct white finish and larger face-diameter design helps preserve intended fit and presentation

Pre-2004 fit supports intended pump-generation matching

PresAir Trol Vacuum Switch [25A] [1/8" MPT] [Adj] [135-300" Water] (VM12540E) brominegenerators Matching the correct dark grayThe PresAir Trol adjustable vacuum switch is built for compatible systems that use a 1 8 inch MPT connection and require a 25 amp switch with an adjustable operating range of 135 to 300 inches of water. Adjustable vacuum switches are useful because they offer more flexibility when the control point needs to be matched closely to the systems operating requirements. This model is especially helpful when the original switch no longer reacts properly,