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Support on changing out the heat exchanger on gmnt 080

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  • TexNOz May 11, 2010

    What is a gmnt 080?

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1st, take a picture of where each wire goes to. Look in the owners manual for an exploded view of how it goes together. The heat exchanger most likely comes out from the front of the furnace. You will have to remove and reinstall every componant inside the furnace to get it out. Suggestion, replace the whole furnace. It will be cheaper.

Posted on Sep 19, 2008

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