Check Valve, 3/8" Compression x 1/2" MPT with 1/8" Hole and Plug #09B72F
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Description
3/8" compression inlet x 1/2" male NPT outlet check valve with 1/8" hole and plug.
If the small unloader (bleeder) valve on or under your pressure switch leaks constantly AFTER the unit shuts off, replace this part. The check valve is a one-way valve that prevents air from backfeeding from the air tank.