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I have a Goodman GMMT 100-4B furnace I purchased and had installed in October of 2003. I sent in my warranty card, but I cannot find a copy of my warranty. The heat exchanger is cracked and I need to know what the warranty was and if I am covered. Usually there is a ten year replacement warranty for the heat exchanger(replacement of unit) and a life time limited warranty on the heat exchanger. Please help and where do I call to resolve my issue with Goodman. My installer is not in the bussiness any longer. I tried that route already. Thanks, Darrell Becktell

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Contact GMC in Houston Texas. The have an 800 number. You will have to have the model and seril number if this is still shown in date for their warranty then you'll just have freight to pay. Otherwise you'll need a copy of your check or statement or reciept where you bought it witth the dealer or place you bought it. The SN and MN are all the factory will have to verify when made.If it sat in someones warehouse 2 or 4 years you'll need your proof of purchase to make it go 10 years from purchase.
If this helps PLEASE GRADE NE ACCORDINGLY. If You need more info I need more info. THANKS AND GOOD LUCK!!

Posted on Mar 02, 2009

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