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Old 04-12-2015, 10:42 AM   #1
2 Rivet Member
1985 32.5' Airstream 325
Calgary , Alberta
Join Date: Jan 2015
Posts: 30
Water Pump

I have just purchased a 1985 325 Airstream Motorhome and on the journey home we ran into a problem that I am not able to figure out. We had been using our fresh water supply for 3 days and 1 day I decided to use the "city supply" and when I went to unhook the line water started gushing out. I did turn off the supply line before unhooking hose. I had to turn off the pump so water quit coming out of the city water hook up. Any ideas?

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Old 04-12-2015, 10:56 AM   #2
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1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
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There is a check valve at the city connection that is to stop water from exiting there when the pump is on. Most likely that valve is stuck open allowing water to back-flow out.

Once fixed it is a good idea to turn the pump off while hooked to city water. I say this because during periods of low city pressure, in under supplied campgrounds, the pump will come on and unnecessarily draw you tank down.

I have taken the valve apart for other problems and you might try that as a first attempt to fix.

2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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Old 04-12-2015, 05:08 PM   #3
2 Rivet Member
1985 32.5' Airstream 325
Calgary , Alberta
Join Date: Jan 2015
Posts: 30
Perfect. I will look at it tomorrow.
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