Check Valve 1/2" FPT x 1/2" MPT, CTB1212 #022AC4
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Description
Old Part Numbers: PACP434, CV4x4TA
1/2" FPT x 1/2" 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 this part. The check valve is a one-way valve that prevents air from backfeeding from the air tank.