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Lenox G12 cracked heat exchanger common?

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  • Lenox G12 cracked heat exchanger common?

    Our service tech told me that the Lennox G12 has a history of cracked heat exchangers? I don't know if this is only the 60,000 btu model or if he meant other nodels as well. Have any of you experienced this?


  • #2
    If the flame is not adjusted properly it will crack the heat exchanger because of hot spots within the combustion chamber.

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