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Old 02-12-2020, 06:25 PM   #1
Winnebago Watcher
Join Date: Nov 2019
Posts: 3
Any Class C *WITH* ducted heated holding tanks?

Hi Folks!

Thanks in advance for your kindness and considerations. I've been lurking and shopping the past few months and trying to collect all mfr offerings with ducted heated water tanks. I can always add pads to a ducted area along with additional insulation, but I doubt I can add forced air heat without a lot of modification.

If you own a Class C and know that you have ducted holding compartments, please let me know the model and year so I can target in my searches. Especially ones that have the "winter package" option!

Much appreciated!
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Old Yesterday, 06:29 PM   #2
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Hmmmmm, out of ALL the Winnebago's made through the years, no one can recommend any Winnie motorhome with ducted tanks?
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Old Yesterday, 10:41 PM   #3
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Join Date: Mar 2019
Location: South Bend, WA
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I did see your inquiry when you first posted, and I'm really having trouble understanding what it is you seek. I cannot imagine any condition when you would run heated air via ducting either around or through waste storage tanks. The existing method is to add an insulated heating pad on the bottom of the tank, and only the bottom at that. I am unaware of any conditions where this method is inadequate.
Of course, the fresh water tank is inside the heated coach, so freezing isn't an issue for it.
I do recommend the double-glazed coach glass; great for the cold weather.
2019 Minnie Winnie 22M on an E-450 frame
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Old Yesterday, 11:04 PM   #4
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Location: Spring Branch, TX
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Some RVs are designed so that the propane heater floor ducting flows around tanks. They arenít so much heated, but are protected by the warm air in the ducting.

I donít know the answer to your question, but I used to be an Arctic Fox TT owner and these are designed that way. I took a factory tour and the sealed bottom of the TT didnít really have ducting but warmed heater air simply circulated between the bottom and the flooring. The tanks were contained in that space. Even gate valves for dumping were contained in that space.

I have certainly heard of other builders that do this, but I couldnít tell you which ones.
2017 Winnebago Adventurer 37F
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class c, heat, tank

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