1/4"-18 NPT Male Thread: Easy connection air tank, train horn pressure switch, air ride pressure switch(Verify your thread size before ordering) Turn on pressure below 120 PSI, Turn off reach 150 PSI; 120psi pressure switch,150 pressure switch DC pressure switch:24v pressure switch,12v pressure switch, AC 110V 120V 240V air pressure switch. Versatile Use air pressure switch: Such as use as air compressor pressure switch, tank pressure switch
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