Posted by Johnd [162.158.78.51] on Wednesday, April 29, 2020 at 16:57:22 :
In Reply to: Re: 12 volt heavy duty compressor posted by Johnd [162.158.78.51] on Wednesday, April 29, 2020 at 16:52:46 :
We bought fixed value pressure switches from Mcmaster Carr to cycle between 80 and 120 PSI. The pressure switch operated a coil on a firewall mounted style starter solenoid.