PresAir Trol Vacuum Switch [25A] [1/8" MPT] [Adj] [135-300" Water] (VM12540E) pushpullvalves while the pressure-switch arrangement helps

while the pressure-switch arrangement helps preserve the operating relationship the spa was designed to use

2 inch side-discharge design supports intended plumbing fit

linking sensors

Ideal for full wet end replacement

this silicone cartridge helps support cleaner sealing work and contributes to better repair quality overall

PresAir Trol Vacuum Switch [25A] [1/8" MPT] [Adj] [135-300" Water] (VM12540E) pushpullvalves while the pressure-switch arrangement helpsThe 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,