Check Valve, 1/2" NPT X 1/2" Comp, 1/4" Comp Adapter #116393

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.

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