Community Forums

widge · 06-29-2021, 06:37 AM

On my 05 discovery i smelled propane out side around the furnace vents.i bought a gas detector,checked my entire gas line and tank no issues.Furnaces are in the off position.checked the outside furnace exhaust vents and it pegged the detector.Any help would be appreciated.

sledhead · 06-29-2021, 09:15 AM

I've not had the problem on My coach but i do have vacation home in northern mi that is heated with propane, if my 380 lb tank gets low you can smell propane when you get close to it, but it only does it if it gets real low, 10% or less. Not sure if that's what's happening on your coach but just a thought.

rarebear.nm · 06-29-2021, 09:28 AM

Unless you know what you're doing with propane, my recommendation is to turn off propane at the cylinder/tank and take it to a service center.

It maybe something as simple as a loose fitting. If it's the control valve assembly then it will need replacing and properly tested.

Old-Biscuit · 06-29-2021, 10:01 AM

LP Detected via exhaust vent on furnace

That is the Furnace Gas Valve leaking thru
LP System is only 0.4 psi (11"WC) ---very low so if detected then gas valve is bad

widge · 06-30-2021, 08:21 AM

Thanks for the replies,thhat gives me several directions to go.

KanzKran · 06-30-2021, 08:35 AM

There was a thread on the same issue just a couple of months ago which you may find useful.

https://www.irv2.com/forums/f54/prop...ll-534548.html

Bigd9 · 06-30-2021, 08:42 AM

Quote:

Originally Posted by widge

On my 05 discovery i smelled propane out side around the furnace vents.i bought a gas detector,checked my entire gas line and tank no issues.Furnaces are in the off position.checked the outside furnace exhaust vents and it pegged the detector.Any help would be appreciated.

If I'm reading this correctly, BOTH furnaces "peg the detector"??????

widge · 07-03-2021, 07:29 AM

yes front and rear furnace exhaust vents.

Bigd9 · 07-03-2021, 10:50 AM

Terry, having both furnaces venting propane out the exhaust is, in my opinion, most unusual. That being so, besides the valve going bad on both furnaces, maybe the propane gas pressure is too high causing gas to leak past the valves?

I have several files on the Atwood Gas furnaces if you would like them. I just went through them and did not see your problem listed in the troubleshooting section.

But, as has been said, I would turn off the propane gas and get someone knowledgeable to look at it. My first point of contact would be Atwood. At least maybe they can point you towards a knowledgeable service center.

Please report back here if you fine the problem. In the meantime, I'm heading out to 'sniff' my two furnaces. They should be the same as yours since our coaches are only a year apart in age.

Good Luck!

widge · 07-06-2021, 08:56 AM

Thanks Big D.I have somebody coming out Thursday

widge · 07-22-2021, 07:46 AM

This is a follow up and thanks everyone who contributed to my issue.Had the new gas valves installed and that solved the problem.It was said that one gas valve going bad was unusual but two was unheard of.Hope this helps out someone in the future.