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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Propane furnace issue

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canoe on top

Denver, CO, US

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Posted: 11/19/20 12:23pm Link  |  Quote  |  Print  |  Notify Moderator

Your furnace should work fine even at below zero temps. Lower temps do lower vapor pressure but, it has to be real cold for propane appliances to not work. Propane will not vaporize at minus 40 F. It's my understanding that at 40 below, you can carry propane around in a bucket. Low temperature is not your problem unless it is freezing your regulator. I had moisture in a regulator on a class C. It was confusing because when the temp got below freezing, the stove would work but the furnace would not. There was enough flow for the stove but not the furnace. The furnace would work fine in the dealer's shop but, not in the mountains when it got below freezing. Finally took it to an independent RV repair place. They diagnosed it immediately. Had to empty the tank of propane then, they added alcohol and blew it out with air. They replaced the regulator and everything worked fine after that.

rmauk

Pennsylvania

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Posted: 11/19/20 01:40pm Link  |  Quote  |  Print  |  Notify Moderator

Canoe on top--Thanks.

canoe on top

Denver, CO, US

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Posted: 11/20/20 12:55pm Link  |  Quote  |  Print  |  Notify Moderator

Hope it helps.

whiteeye42

Rock Springs Wyoming

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Posted: 11/21/20 10:14pm Link  |  Quote  |  Print  |  Notify Moderator

i have used propane way below 0 and had no problems you might have butane in the tank which won't work much below 32 degrees i would have the tank drained of all gas and purged with propane and then filled with propane and make sure they are filling it with propane and not butane


Me,Wife two boys and two dogs
2008 Dodge Ram Quad Cab 4x4 DRW 6.7 cummins
2008 Jayco Eagle 341 RLQS 37' with B&W turnover ball & companion hitch
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