Thank you all of you for your advices.
I send the complete pressure switch unit for replacement and I got a new one. For this brand new one pressure switch, I blow hard with my mouth through the unloader valve and after a second or so I can feel the valve closed as expected, not letting me to...
Thank you for your reply. Exactly that was the function that I was expecting from the unloader valve. I can see a small pin (little "hat") protruding from the top of the unloader valve, but it seems that always leak air. Maybe is broken, since when I blow air with my mouth into the unloader...
Hello to everybody in this forum.
This is my first post.
I would like to know if someone could provide some information about how to connect the pipe tubing to an unloader valve of an air compressor.
I bought an air compressor pressure switch like this...