Description
Old Part Numbers: A19715, CAC-4337-1, D28826
1/2" male NPT x 1/2" compression check valve, with 1/4" compression adapter.
For model D55167 type 1 and others.
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.