Dometic RM2202 exhaust vent in Burro 17? - Page 2 - Fiberglass RV

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Old 10-14-2012, 10:39 AM   #15
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Name: Carol
Trailer: 22' Airstream Formerly 16' Scamp
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Jack I am not sure as to that you are referring to in regards to the "Tee" at the top of the chamber but mine is a RM2201 and based on photos posted by OP it looks to be very similar.

Yup a detector is a must have as well. As you say you cant smell the really bad stuff but I have to wonder based on the original post if perhaps not only is the back not sealed correctly if the burner isnt burning cleanly either - if I was able to smell propane when any of the trailers appliances are running I would be worried its not burning the fuel correctly either - dirty burner perhaps? As said it would be worth having it checked by a certified gas tech.

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Old 10-14-2012, 10:48 AM   #16
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Good points all, Carol!


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Old 10-14-2012, 12:02 PM   #17
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The exhaust tube appears to be similar to the one shown in the parts diagram for the RM 2202 in the document center.
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Old 10-14-2012, 02:30 PM   #18
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Name: Jay
Trailer: 2005 Bigfoot 25B17.5G. Pulled by a 2006 Toyota Tundra Double Cab
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I had a small local RV repair shop check out the Burro. The smell is not propane. The shop identifies the smell as the exhaust from propane combustion. The refrigerator burner seems to be burning as it should. AC and DC work too. When used with propane the fumes travel up the insulated exhaust pipe to the "T" at the top of the stack. You can see the "T" in two of the photos next to the cooling fins in the orgininal post. From the "T" the fumes go into the cabinet and presumably out the top vent. Again, it looks like this Burro (and possibly all Burros) was built this way. local shop suggested sealing the cabinet with foil insulation and tape. Any "fix" that deflects the exhaust out the upper vent and seals the cabinet would be better than none.
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Old 10-14-2012, 04:13 PM   #19
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Sounds like you're on your way, Jay. Without the problem of troubleshooting a non-working fridge, I'd say it's worth it to get it right in terms of adequately venting the exhaust on propane AND also in terms of using the combination of baffle and fans to expedite the cooling of the condenser at the top in hot weather. The performance of these fridges at best is not so spectacular that they don't all need all the help they can get to bleed off exchanger heat.


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