Quote:
Originally Posted by Hairtrigger
I ordered and installed a new switch on my father’s air compressor
It works , shutting off at 125psi. But it leaks off pressure until down to 80psi
The instructions said nothing about the adjustment of the pressure springs.
Can anyone here help provide some insight
Thank you
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It would help if you provided more information, like what was happening before you replaced the switch.
It sounds like you have a a faulty or dirty check valve or unloader valve (maybe both). That stuff is explained here....
https://tameson.com/pages/compressor-unloader-valves
https://tameson.com/pages/check-valves