Posted 3/25/2025 06:31 (#11160869 - in reply to #11160650) Subject: RE: New thread trouble shooting homemade pump for 2 vacuum motors esets
North Central OH
Can't read the valve to see what port you have circled but if that is indeed the bypass there should be no flow thru it when the valve is set wide open. If you have a closed center pump you don't even use that port.