Air Compressor Pressure Switch, 95/125 PSI, 1-Port (1/4" female NPT), Unloader Valve, Lever On/Off Switch. NOTE: This is not an OEM pressure switch. This is a suitable third-party replacement that meets the OEM manufacturer's specifications...

Old Part Numbers: PS3030RVUnloader Valve used on many Furnas / Hubbell brand air compressor pressure switches includes the unloader valve with compression nut and sleeve, and screw. Replace this part if it leaks while the unit is running. If this part...

Old Part Numbers: S137-0001Air pressure knob for belt-driven air compressors. Replace if broken or cracked. Make sure your spring is still there under the knob.  This part is only the knob. If you need the complete kit order the SquareOvhKit. The...

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: GA0125200, PG0125200BKAir Compressor Pressure Gauge, 1/8" MPT, Back-Mount, 200 PSI, 1.5" Face. Replace if misreading or broken.Specifications PSI: 0-200 PSI MPT: 1/8" MPT Dial / Face: 1.5" Back-Mount

Also available in the complete regulator kit SquareOvhKit. The black o-ring is ALREADY installed on the small black valve. See 'Extra Details' tab above. Includes both diaphragms, ball, o-ring, and valve. Click here to view installation video...

Old Part Numbers: S137-0001This complete overhaul kit for an air compressor regulator includes knob, spring, and internal service kit. Click here for installation instructions. Note: Does not include a check valve, pressure switch, or safety valve...

Old Part Numbers: 034-0135Hubbell 69JF109704R Pressure Switch. This is a genuine OEM replacement part. 1-Port 1/4" male NPT 95/125 PSI factory preset with an unloader valve Note: Does not include the cover. If your pressure switch is leaking out...