While camping in my 189R last weekend, my propane detector began squealing, that got my attention!  I didn't smell propane but I did smell fumes close to the floor.  The furnace was off but the water heater was on.  There was a strong wind blowing and presumably that wind was forcing the fumes back into the trailer.  I removed the access panel under the sink and the odor was much stronger in that enclosed space.

I opened the water heater hatch on the outside of the trailer to see how the exhaust was entering and noticed that there was a lot of open space between the water heater and the body flange around the periphery of the heater.  I'm considering trying to seal that flange with aluminum tape.  Forcing sealant into the gap is another possible solution.

Has anyone else encountered this?  How did you deal with it?
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I am a new RVer and I just bought a 2019 189R. I had the exact same thing happen to me a couple of weeks ago. There was a strong wind (I was at the coast) blowing against that side of the trailer so I attributed it to that. I did smell propane, but the flame was going, I could hear it. I have not yet tried it without a wind to see if that was the problem. So while I've encountered it, I haven't dealt with it yet. Hopefully, it was the wind. I'm going to try it again this week and will let you know what happens.
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