Old Part Numbers: SRV250140Air compressor safety relief valve, 1/4" MPT, 140 PSI. If your valve leaks below the pressure listed on the side of the valve, replace this vital safety feature.Specifications MPT Inlet: 1/4 in. Preset Setting: 140 PSI Max...

Old Part Numbers: 63P-4Air compressor brass tubing insert plastic/nylon tubing, 1/4".

Air compressor pressure switch. 95/125 PSI, 4-port (1/4" FPT) manifold with unloader valve. If your pressure switch is leaking out of the small bleeder valve on the side of the switch after the compressor shuts off, order a tank check valve instead.

Air Compressor Pressure Gauge, 1/8" MPT, Bottom-Mount, 200 PSI, 1.5" Face (Metal Case).

Old Part Numbers: 1619P03162Air compressor pump cold start valve, 1/4" Male NPT. This valve allows easier starting and lowers amp draw by unloading any air in the pump head or in the supply line.

Use this nylon tube if your air compressor pressure switch has a plastic unloader valve with a quick-connect fitting. Note: sold by the foot (quantity of 1 = 1 foot or 12 inches of tubing).