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Thread: Trailer home heat exchanger
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02-13-2013, 10:11 PM #1
Trailer home heat exchanger
I have to change a heat exchanger out on a coleman furnace in a trailer home tomorrow never done one before just wondering if anyone can offer any tips or tricks to make the changout more efficient.
Thanks
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02-13-2013, 11:24 PM #2
How old?
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02-13-2013, 11:26 PM #3
RUN AWAY!!!!! ive changed a few, they are a pain, you are gonna wanna take a new roof jack assymbly with you, if its like the ones ive done, you will tear the old one up before you get it all disconnected, they set the unit screw vent stack on and then build the house around it, if its warranty i can understand changing it, but if its out of warranty and subject to the recall of the dgat units, coleman will give the customer a new furnace for a little boot, and a new jack comes with it, and if its not part of the recall, a new furnace is quicker and easier, so less labor= less cost, customer gets a new furnace, and you dont do quiet as much cussing
The 2008 NATE TOP TECH!!!!! 
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02-13-2013, 11:42 PM #4
Boy that don't sound like fun unfortunately I can't make the decision to abort misson and or just replace furnace I have no idea how old it is either site unseen
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02-14-2013, 06:55 AM #5
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Only changed one and it was a pain in the behind. Took around 3 hours if I remember right. Fought with holding the exchanger in place with one hand and trying to get top bolts together with the other hand for nearly an hour.
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02-14-2013, 07:29 AM #6
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We replace the roof jack with the heat exchanger because as stated above it will probably get ruined and its probably rusted out. With the extra labor we actually charge more for replacing the hx then replacing the furnace. In the last few years the only one we replaced was under warranty.
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02-14-2013, 11:21 AM #7
Had a small crack.
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02-14-2013, 03:44 PM #8
How'd the replacement go?
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02-14-2013, 06:02 PM #9
Not bad actually thought it would be much worse. Worst part was the guy living there standing over my shoulder the entire time, gotta love it!
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