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Old 12-16-2009, 06:32 PM   #1
Join Date: Jul 2008
Posts: 31
SUN #658
Sealing the Furnace

Hi All,

I am wondering if anyone has a suggestion for me. I have a Sunline with a gravity fed furnace (the stock one) and I had the cover to the fire box taken off to clean it. The place that did it is about 800 miles away. The caulking they used has dried and now I am trying to reseal it. I have not been able to find parts from Hydro Flame (now Atwood) nor anywhere else. I tried furnace caulk (2000 degrees) but that dried and cracked and I could again see light out of the seams.

Tried kaowool (the new asbestos) as a gasket, it seemed to move so that I could again see light coming out of the sides. Then I then noticed a hole burned through the metal in front of the pilot.

Most people would say "give it up" but I love this furnace because I am almost never plugged in and it requires absolutely no electricity. I'd prefer to keep my battery for my laptop and lights.

I can't find a furnace that does not require 12v. Besides, it will cost almost as much as the trailer cost me originally and still use 12v.

I have called RV places and they won't touch it due to age.

I planned to patch the hole in front with some steel and screw it on with some sealer. If it works I may weld it. But I still can't seem to get the plate to seal around the edges.

Does anyone have any suggestions?

Oh, the gasket is unavailable.

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Old 12-17-2009, 10:38 AM   #2
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Join Date: Apr 2007
Location: New York
Posts: 945
SUN #258
pwb01 is an unknown quantity at this point
Try wood stove / fireplace dealers. They deal with high temperature gaskets and seals.

Paul & Sheri - Upstate New York - SUN-0258
Amateur Radio KD2KCY - VHF 146.520 MHz
2012 F150 F/X 4, 6cyl EcoBoost, Max Tow pkg
2013 Rockwood 8280WS 5th wheel
2006 Sunline Solaris T-1950
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Old 12-17-2009, 01:30 PM   #3
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Join Date: Jun 2007
Location: New Hampshire
Posts: 1,025
SUN #292
Honda03842 is an unknown quantity at this point
What is the model number of this furnace?

Thank you
Norm and Ginny Milliard
1982 Sunline 15.5 SB
2004 Honda CRV 4 cyl, manual
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Old 12-18-2009, 05:54 PM   #4
Join Date: Jul 2008
Posts: 31
SUN #658
Thanks for the tip on fireplace places. I have tried some furnace places. I'll keep trying.

The model is a Hydro flame HF-7312
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