Campbell Hausfeld CW214300AV Pressure Switch is a 145/175 psi, four-port control device for air compressors. It turns on at 145 psi to start the motor and turns off at 175 psi to stop it, enabling automatic cycling within the 145–175 psi operating window. As an OEM Campbell Hausfeld replacement part, CW214300AV provides the essential switch function for reliable tank-pressure regulation in compatible compressors.
