Forum Discussion

Dan_Diego's avatar
Dan_Diego
Explorer
Jul 01, 2020

Water pressure - why does pump run when city water connected

I mostly dry dock and have only recently began to camp where water and electrical hook-ups are available. When connected to city water, I have a 40psi regulator in between the city hose bib and the tr...
Toy Haulers
schlep1967's avatar
schlep1967
Nomad
Jul 02, 2020
If your regulator is adjustable, turn it up to 50 PSI and see if it still happens. My guess is you have a pump that provides close to 60 psi and has a low end pressure above 40 PSI. So it kicks on to make up the pressure difference.

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