Conrader

Old Part Numbers: SRV187075, SRV187-1/8Air compressor safety valve, 75 PSI, 1/8" male NPT.  

Air compressor check valve, 3/4" Compression x 3/4" MPT with 1/8" FPT side port.  If the small unloader (bleeder) valve on or under your switch leaks constantly AFTER the unit shuts off, replace...