Brand new 145-175 PSI air compressor pressure switch or known as a pressure control valve. This switch has four ports on the bottom, one for air inlet hook up and the other three ports are usually used for a relief valve, gauges, or extra air outlets. These four ports are all 1/4" female NPT. This switch is also equipped with a on and off lever and a unloader valve on the side, which is 1/4" compression, if the unloader is not needed it does not need to be hooked up. For technical specifications please see below.

Specifications:

Air Inlets: Four 1/4" NPT Female Ports, which can be changed to Male using a pipe nipple that can be purchased at a local hardware store.

Unloader Size: 1/4" Compression

Equipped with Manual On and Off Lever

Pressure Setting: Turns on at 145 PSI and shuts off at 175 PSI, can be adjusted for custom settings which is expalined under the lid of the pressure switch.

Power/Amp Rating: 20 Amps max at 120 Volt / 12 Amps at 240 Volt / 9.6 Ams at 3 PH 240 Volt

(If you have a larger Industiral compressor with a magnetic starter, amps do not matter, all the switch is doing is telling teh starter when to turn off and on.)

12 Volt Power DC: 8.6 Amps at 32 Volts DC, 3.1 Amps at 120 Volts DC, 1.6 Amps at 240 Volt DC.