Air Compressor Pressure Switch Control Valve 140-175 PSI Single Port w/ Unloader
If your system doesn’t use an unloader, the side unloader connection can remain unused and will not affect any other function of the switch. The 1/4″ female NPT inlet can also be adapted to a male connection using a common pipe nipple if needed.
Heavy Duty Pressure Switch Air Compressor Control Valve 140-175 PSI 4 Port 25amp
Unloader Valve Ready: Equipped with a 1/4″ compression port for unloader valve connection. Also includes a compression nut and ferrule for a secure, leak-free connection to your unloader line. Built for durability and consistent performance, it supports operation on 115V, 230V, and 12V DC power—making it compatible with a wide range of compressors.
140-175 PSI 4 Port Air Compressor Pressure Switch Control Valve Import Style
The unloader elbow port on the bottom of the switch accepts 1/4″ OD plastic, copper, or aluminum tubing but can be left disconnected if your compressor doesn’t use one. Harbor Freight models. At Tacc Air, we’re always here to help!
Saginomiya ANS-C103WGQ Pressure Control Switch -0.2–0.3MPa Max 1MPa
Accurate and stable switching performance. Ideal for refrigeration and HVAC systems requiring accurate monitoring and protection. Max Pressure (MP): 1 MPa. Pressure Range: -0.2 ~ 0.3 MPa.