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    njtaxlady Posts: 1, Reputation: 1
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    Feb 14, 2011, 05:01 PM
    Heater fan will not turn on automatically, but does when switched to on
    Woke up to a cold house this morning. Checked the heater and it was hot, apparently it had just shut itself off. Changed the fan from auto to on and it came on, heated up the house and then I switched it back to auto. It just won't come on in auto mode. Any suggestions for this 18 yr old Lennox heater?

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