Description
Old Part Numbers: ST128415AV
Air compressor pilot unloader valve. Male Flare inlet and 1/2" MPT outlet. Cuts in at 105 PSI and out at 135 PSI.
This is the brains of your air compressor. It unloads pressure to the tank when it hits 135 PSI.
Note: Do NOT attempt to adjust this part unless you have experience adjusting unloader valves.