I have an air compressor mounted under the hood of my truck that is connected to an air tank in the back. This pressure switch allows me to leave the compressor on for long periods of time and not worry about building up to much pressure and damaging my air compressor
By Hgsfour from Helena, AR
Works well, until you get it wet
Works as described, and is actually a pretty good price for a relay and a pressure switch. The bad thing is that they absolutely hate water. I'm on my third pressure switch/relay in less than two years. I'm going to change the mounting location and seal the thing up with silicon this time.
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