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Old 03-07-2015, 10:00 PM   #1
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Brand: Thor Motor Coach
Model: Chateau 31L
State: North Carolina
Posts: 7
THOR #512
Dewinterizing Chateau

We have a 2013 Thor Chateau 31L Class C. For the last two winters, I had CW winterize the RV for me and had them dewinterize (along with some other things) last year. I would like to dewinterize it myself this year.

We had a Keystone Sprinter TT before this and I did all the winterizing/dewinterizing myself. But when I went to do it with the chateau, it perplexed me somewhat. First of all the , panel with the hot water by pass is in a tight spot. When I took it off to look, it didn't look straightforward as it did with the TT. Any Chateau owners here do it themselves? Any links to diagrams or photos for it?
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Old 03-07-2015, 10:34 PM   #2
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Brand: Thor Motor Coach
Model: 2011 Four Winds 28Z
State: Michigan
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THOR #531
There are a couple of forum members with Four Winds 31L's, and it is probably essentially the same coach, so they might be able to help (if they winterize their coaches).

Otherwise it is not a huge deal, mostly winterization is related to the water system.

Depending on what CW did (blow lines, use antifreeze, etc) the procedure might differ a bit.

Basically the procedure is to un-bypass the water heater, put the heater drain stop in, make sure the low point drains are closed, fill the tank and/or connect city water, then run the hot side first.

Open the overflow vent in the water heater until water comes out. That way you'll know it's full.

Then turn on each faucet one at a time - first the hot side, then the cold side - until you bleed all of the air and pink antifreeze out of it.

If you have pink antifreeze, you might want to run the water a little longer.

Then fill the water tank and fire up the pump and run it awhile too.

At some point you will have to drain your holding tanks.

Of course, the other stuff is needed too; oil change for the genny and engine (but you should have done that in the fall), top off battery fluids, air pressure in the tires, and so on.
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Old 03-07-2015, 10:44 PM   #3
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Brand: Thor Motor Coach
Model: Chateau 31L
State: North Carolina
Posts: 7
THOR #512
Thanks...I was more looking at the by pass valave setup. The TT had one valve to turn, was easy to identify and get to. With the Chateau, its in a panel beside the toilet and I believe is a 3 valve system. It was hard to see in there of what was what. I think I will just have to go back and try to look at it again.
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Old 03-07-2015, 11:05 PM   #4
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Old 03-08-2015, 07:40 PM   #5
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Brand: Thor Motor Coach
Model: Chateau 31L
State: North Carolina
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THOR #512
That is an awesome diagram...thanks!
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