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An inexpensive and reliable full range miniature vacuum switch with good sensitivity, repeatability and set point tolerance. It has a dead band of 2-3" Hg. (i.e. it will shut the pump off at 18" Hg and turn the pump on at approx. 15" Hg). Adjustable from 1.5" to 30"Hg.
The Vacuum Switch has a 1/4" pipe thread. Order pipe to hose fitting if you intend to plumb into 1/4" neoprene tubing.
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