Pressure Switch, PRESAIR, SPDT, 21Amp, 1-5Psi, 1/2"Thd, Ctr Spout : PT11120L

Presair’s adjustable pressure switch is field adjustable from 1.5 inches of water to 125 Psi. The adjustable range is 10% to 25% lower on falling pressure, although special differentials are available. Dual pressures switches available and can be factory set to allow each snap action switch to operate at a different pressure setting.