Our Presair vacuum switches can be both adjustable and factory set. Adjustable vacuum switches have an adjustable range on increasing vacuum of 2.5 inches of water to 300 inches of water. The Tinytrol Factory Set Vacuum Switch models can be factory set from 20 inches of water to 300 inches of water.
All of Presair’s switches are designed and manufactured to exacting standards to meet the needs of original equipment manufacturers and instrument makers for low cost, stable switches, and good repeat accuracy. Our switches are 100% tested before leaving our facilities.
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