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    johnofpa1's Avatar
    johnofpa1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 9, 2009, 07:10 AM
    Clogged heat exchanger ?
    I have a Goodman furnace and when it first lights everything works fine. When the furnace comes on the second time it acts as though the center heat exchanger is clogged and I get a flash back shutting off the rollover limits. I have tried blowing the center tube out. What do I need to do to correct this.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #2

    Feb 9, 2009, 02:55 PM
    Probably replace it,, but first give more details like the model number,, what are you thinking it is stopped up with?, possible bad/cracked heat exchanger
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