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Old 01-02-2019, 12:02 PM   #1
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Robscochran's Avatar
Join Date: Mar 2017
Posts: 8
Winter Driving in freezing conditions

I have a 2003 Nat RV Islander.

We live in the midwest. I was wondering if any of you folks have experience operating your Motorhomes (Driving) in the winter - specifically - do you operate the propane furnaces while you are driving the rig?

I was not sure if the furnaces are designed for that intended use and if there are any known issues with this?

While I have winterized my Islander - someday - we may want to take a nice south bound trip and have water on-board and I want to insure that if we would do that - that there was a way to heat the tanks. From what I have read - that heat comes from the regular propane furnaces.

Interested in hearing from others about this concept.
2003 National RV Islander
400 HP Cummins Turbo Diesel
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Old 01-02-2019, 12:26 PM   #2
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Join Date: Jan 2013
Location: Muskoka Ontario Canada
Posts: 3,132
Pretty much everyone runs their furnaces while driving in cold weather. They are built to do it. Here is about six threads addressing the exact question. Cheers.
2000 coachmen santara 370 5.9 cummins isb
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Old 01-02-2019, 12:41 PM   #3
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I took my first winter trip over christmas and was shocked at how she handled in cold weather. I ran the propane furnace from the morning i left (saturday at 9am) until i returned (friday at 8pm). I drove 6 hours each direction (luckily not thru snow, but it was still cold out). used 3/4 tank of propane over that week. She handled well the entire trip. not a hiccup to be had.

I didn't haul water. I kept the rig winterized and just used rv antifreeze to flush with. (a little helpful hint, dump before the return trip if you can. rv antifreeze mixed with #2's gives off a sour milk smell.) I contemplated taking water with me and not being winterized but i felt i didn't want the risk or worry.
1998 fleetwood pace arrow 34 foot
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