I have a 1 year old goodman gas furnace 92 efficient. It starts up fine,runs through the cycle, when it stops,it has a poppping or backfire sound.Is this normal
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I have a 1 year old goodman gas furnace 92 efficient. It starts up fine,runs through the cycle, when it stops,it has a poppping or backfire sound.Is this normal
No not normal. I suggest you contact the contractor that installed the furnace right away as like today.
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