PresAir Trol Vacuum Switch [25A] [1/8" MPT] [Adj] [135-300" Water] (VM12540E) brominegenerators Pre-2004 fit supports intended pump-generation

Pre-2004 fit supports intended pump-generation matching

Designed for 1-jet and blower layouts

Improves service confidence and long-term electrical reliability

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

The multi-model compatibility and quantity-of-eight format give this kit practical value because sand filter internals work best when they match the original model and quantity relationship closely

PresAir Trol Vacuum Switch [25A] [1/8" MPT] [Adj] [135-300" Water] (VM12540E) brominegenerators Pre-2004 fit supports intended pump-generationThe 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,