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Old 11-01-2020, 06:18 PM   #1
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Brand: Thor Motor Coach
Model: Windsport 27K
State: Kentucky
Posts: 801
THOR #2817
Winterizing Windsport 27K

I am about to winterize our Windsport 27K and have a question specifically about the water heater. It is in an enclosure under the frame. I see only access through the outside water heater door. I don't know if it has by-pass valves, and if so where they are located and how to get to them? Also, if anyone has a step-by-step procedure for winterizing the water system, I would appreciate having it. In the past on other RVs, I normally drained the system, blew air through the lines, and pumped RV antifreeze through all lines.
Thanks

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Old 11-01-2020, 07:55 PM   #2
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 7,536
THOR #7035
Your 27K should be just like our ACE 271.

The FW tank drain is at the bottom of the water tank accessible by removing the screened enclosure below the rear most wardrobe.

The water heater valves are accessible by removing the drawers below the center vanity in the bedroom and a plywood panel below the bottom drawer held in by two screws.

I've attached a picture looking through that access panel to the water heater. You can follow the hoses on the tight down to the valves.
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Old 11-01-2020, 08:39 PM   #3
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16ACE27,
Thanks for your quick reply. I never would have thought to check under the drawers. Not a real accessible area for a guy my size. Also having to open the slide out to get at the drawer is an inconvenience. I found the drain for the water tank and I also found three valves near the water pump. I opened all valves and all faucets in the coach and let everything drain until they stopped dripping. I will check out the water heater later.
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Old 11-01-2020, 10:09 PM   #4
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Model: Hurricane 29M
State: Texas
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I learned a long time ago that winterizing is easier than replacing a cracked faucet. I also learned to look under the coach to locate all the low water drains. To me, the hardest part is getting the plug out of the water heater.
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Old 11-01-2020, 10:49 PM   #5
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Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
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THOR #7035
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Originally Posted by Metalman View Post
16ACE27,
Thanks for your quick reply. I never would have thought to check under the drawers. Not a real accessible area for a guy my size. Also having to open the slide out to get at the drawer is an inconvenience. I found the drain for the water tank and I also found three valves near the water pump. I opened all valves and all faucets in the coach and let everything drain until they stopped dripping. I will check out the water heater later.
You can also get an adapter to connect to your city water connection to blow out any residual water with compressed air.
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Old 11-01-2020, 11:10 PM   #6
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Originally Posted by Lt Keefer View Post
I learned a long time ago that winterizing is easier than replacing a cracked faucet. I also learned to look under the coach to locate all the low water drains. To me, the hardest part is getting the plug out of the water heater.
You are right about the drain in the water heater. I had to apply a lot of pressure on the ratchet handle to loosen it. This plug has an anode on it, the first I've seen in an RV.
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Old 11-01-2020, 11:12 PM   #7
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Originally Posted by 16ACE27 View Post
You can also get an adapter to connect to your city water connection to blow out any residual water with compressed air.
I have the adapter and have used it in other RVs as well as the house when we leave for the winter.
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