Old Part Numbers: 399

Air compressor safety relief valve, 1/4", 165 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. FPT Outlet: 3/8 in. Preset Setting (PSI): 165 PSI Max. Temp.:...

Old Part Numbers: SU3This cold start valve allows easier starting and lowers amp draw by releasing a portion of the air upon initial start-up, and usually seals off by 20-25 PSI.Specifications 1/8" Male NPT

1/4" NPT wingnut drain cock. Prevent rust from ruining your air compressor tank by draining your tank daily. Keep an extra around for a spare.Extra DetailsThis was a new check valve installed less than a year ago. Due to the tanks not being drained, this...