Leaking unloader valve

by Billy

I have a pro 4000. Had air leaking from unloader valve,replaced the pressure switch assembly and the new unloader valve still leaks air. What could cause this problem, any help would be appreciated Thank you. Billy

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Nov 26, 2015
Leaking unloader
by: Bill

Already covered in detail on the troubleshooting pages, Billy.

Have a look, and if you still have questions, add a comment.

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