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Old 09-13-2016, 02:18 PM   #3
Brand: Thor Motor Coach
Model: Tuscany XTE 36MQ
State: Colorado
Posts: 90
THOR #1497
Originally Posted by bevedfelker View Post
Had the same thing happen on my Vegas. Think it was some grit in the check valve of the pump. Was on city water and I heard water running outside. Went out and looked and water was flowing g out the overflow of the fresh water tank inlet.

Shut off water. Turned on pump and ran it for a minute. Turned city water back on and drained the tank. Never had a problem again.

Figured a piece of grip in the check valve was allowing g water to flow through the pump (backwards) into the tank.
Thanks. I checked the freshwater water tank this morning and no water had been added over night. Yesterday I had flipped the tank fill/city valve to make sure it wasn’t in the wrong direction…might have broken loose whatever was interfering with the check valve.
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