Brand new Air Compressor Control Valve (95-125 PSI Pressure Switch). It is comparable to a Furnas, Square D, and many more. The product has an On/Off switch and a unloader. It will be working on both 2 stage and single stage compressors. If your compressor does not need the unloader, you do not have to hook it up.PRESET 95-125 PSI¼" COMPRESSION UNLOADER VALVE¼" FEMALE NPT TANK CONNECTION WITH 3 EXTRA 1/4" PORTS.MAX AMPS, 26 AMPS AT 120VOLT / 12 AMP AT 240 VOLT , AND 9.6 AMP AT 3PH 240 VOLTBURST PRESSURE (PSI)500NUMBER OF PORTS4PORT TYPE4-Port 1/4" NPT (Female)UNLOADER1/4" CompressionACTUATION TYPEDiaphragmMANUAL SWITCH ACTIONAuto/ OffPHASESingleCONTACT TYPEDPSTAMPS26HP @ 1 PHASE - 120V2HP @ 1 PHASE - 230V3ENCLOSURENEMA 1TEMP. RANGE (F)-22 to 257STANDARDSUL/CSASERIESLF10WEIGHT0.850000Lefoo Air Compressor Pressure Switch Control Valve 95-125 PSI 4 Port 26A