The Devilbiss AC-0008-2 Compressor Pressure Switch helps regulate air pressure in compatible air compressor systems by controlling when the compressor motor starts and stops. It responds to changes in tank pressure to support normal compressor operation and maintain the intended pressure range. This switch is a practical replacement for a worn, damaged, or faulty pressure switch that ... https://www.wholetoolbox.com/devilbiss-ac-0008-2-compressor-pressure-switch/AC-0008-2.html