124-2126, Telemecanique Sensors, Telemecanique Sensors Pressure Switch, 15 (Approximate) psi, 20 (Rising) psi Min, 30 (Approximate) psi, 65 (Rising) psi Telemecanique Sensors Pressure Switch, 15 (Approximate) psi, 20 (Rising) psi Min, 30 (Approximate) psi, 65 (Rising) psi