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Old 12-04-2016, 09:56 PM   #1
Junior Member
Brand: Thor Motor Coach
Model: Quantum WS31
State: North Carolina
Posts: 1
THOR #6053
Water Pump on Quantum WS31

Just went for our first camping trip in brand new 2016 Thor Quantum WS31. We had a great time. We did a short trip to do a shakedown and learn about the systems.

There are a couple of issues (one with our thermostat) but the other is with our fresh water tank and the water pump and wanted to see if any of you had advice.

I filled the fresh water tank before we left. I had connected to city water at home and so I did not turn on the water pump during that time. When we camped we also had city water and all worked OK. We we dry camped for a few hours we tried turning on the water pump to get water. We can hear the water pump operating but it doesn't develop pressure...no water. I opened faucets, etc., tried again, no luck. After we returned home I dumped all the entire fresh water tank and refilled and tried again. Same thing, pump runs but no water pressure. I turn it off after 30 to 60 seconds to avoid burning it up.

Our unit had been winterized. I wonder if there's a shut off valve someplace that prevents this tank from feeding the water lines in the coach? I've looked all over for such a valve and can't find anything. I assume the tank and pump are under the bed in the back. It's under a panel that's screwed shut. Before I tear apart our bed and open that up, any suggestions?

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