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Old 11-11-2008, 07:23 AM   #1
3 Rivet Member
1986 34.5' Airstream 345
Tyler , Texas
Join Date: Jun 2007
Posts: 110
Smell propane

Hi! last week I started up the two furnaces in my 86 345. All started and shut off as usual. This weekend I went into the mh and could smell propane. The rear furnace would light but the front furnace (under the sink) would not. Tried the soap test in the mh with no leaks.. has anyone had any experience with this problem?

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Old 11-11-2008, 08:11 AM   #2
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1971 25' Tradewind
1993 34' Excella
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I installed a propane detector for peace of mind, about $50. It's mounted next to my furnace. It is very sensitive and will alert before you can smell propane, which it has only once. I also have a CO and a smoke detector along with a mid size fire extinguisher.

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Old 11-11-2008, 08:40 AM   #3
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1989 34.5' Airstream 345
boca raton , Florida
Join Date: Aug 2006
Posts: 284
heater questions

I,m in my 89 345 camping in Ocala Fl and have had to use both of the heaters. I don't know what the 2 red switches on the wall behind the dinette do, but expect they have something to do with the heaters and propane flow. The furnane did not seem to get hot until I moved the switch from one position to the next. Maybe they are like the hot water switch in the bath. If so, try changing position. Good luck and maybe we will both know!
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Old 11-11-2008, 08:43 AM   #4
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1977 31' Sovereign
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1989 34' Excella
Johnsburg , Illinois
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If you are a member, maybe the local club or someone in it has a electronic propane detector. You can buy a cheap one now for under $80. You have to localize where the leak is before you can fix it. Some of the furnaces have the potential for an internal leak as well. You local dealer might help for $100 per hour.
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Old 11-11-2008, 08:52 AM   #5
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1967 30' Sovereign
Los Lunas , New Mexico
Join Date: Jan 2004
Posts: 6,331
Propane detectors are a fine idea, but if you smell propane, then you need more. Turn on the gas, don't light anything, get down on your knees, and use your sniffer to find the source. Fix it. Then repeat the process.

Or take it to a reputable dealer (not just a propane filler) and ask them to do the same.

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Old 11-11-2008, 09:12 AM   #6
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I had a leak and purchased a little hand held propane sniffer probe which located it pronto.

They have them at Camping World and are not expensive, under 50 bucks.

It's a great thing to have on board, and I've used it when I plumbed in my Cat heater.


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