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Old 03-15-2019, 03:08 AM   #4
Senior Member
Brand: Thor Motor Coach
State: Texas
Posts: 120
THOR #8139
Here are some threads about the fresh water tank filling when hooked to city water.

water pump

Hooked to outside water - fresh water tank overflows

backflow water at campground. low PSI?

Lots of threads if you use the advanced search.

We've never had this problem with any rv, but we always turn the pump off before turning the city water on.

Try this
Turn the city off.
Turn the pump off on off on OFF
then open a faucet to releave pressure then close the faucet.

Make sure the pump is off then turn the city water on.

Check the water level for the water tank, often.
abjbrtd is offline   Reply With Quote
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