General description The Air Compressor Pressure Switch Control Valve is designed to effectively regulate the pressure of your air compressor, ensuring optimal performance. It operates within a pressure range of 90-120 PSI, automatically turning the compressor on when the pressure drops below 90 PSI and off when it exceeds 120 PSI. Technical specifications Pressure range: 90-120 PSI Maximum voltage: 230 V Material: High quality metal and plastic Installation Simple design for easy installation and removal.