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Old 11-07-2012, 07:13 PM   #15
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Gulf Streamers Club
Join Date: Jan 2009
Location: Charlevoix, Michigan
Posts: 181
Had that problem in my Shasta Travel Trailer, Ducts poorly routed, flex duct crushed, too sharp of bends etc. I jerked all of the Flex Duct out except for the 2" under the floor to the bathroom. Replaced it all with 4" round Metal Ducting and fittings with fiberglass insulation. Furnace quit cycling on the over Temp Safety, the cabinets around the furnace cooled down so the food stored under there was not getting way above the ambient temp in the living quarters. I would do it again if I ever purchased another unit with the Flex Duct in it. Motor Home already has metal ducting so I have no issues with that furnace.

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1995 Gulf Stream Scenic Cruiser, Cummins B5.9, Allison MD3060, Toad: 2005 Focus ZXW SES Wagon
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Old 11-07-2012, 07:21 PM   #16
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Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
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Originally Posted by vegas39 View Post
I pulled the furnace out and gave it a good inspection, all was well. The furnace has a label that says 130 degree temp rise, so at the 75 degree indoor temp I was running it at, 200 degrees is fine for air output.

I also fixed a couple duct issues, one was kinked and one was way too long.
There you go! Bet if the limiting doesn't stop completely it's happening much less frequently...

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Old 11-12-2012, 07:04 PM   #17
Join Date: Jul 2012
Posts: 86
Well, the fan motor started squeeling yesterday. I called ppl in Texas this morning and they have an Atwood furnace on sale for 490 bucks. I'm having it overnighted and it will be here tomorrow, so at least I can have some peace of mind with a fresh new furnace.

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