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

    Mar 27, 2008, 08:26 AM
    Central heater comes on when thermostat is on OFF
    My 2nd floor heater has came on 3 times when the thermostat is on OFF. Only thing I changed was the filter 2 weeks ago. Battery is fine.

    This problem occurred 2 years ago in the summer time and I had the dualzone circuit replaced. Now it's happening again.

    Basic info: I have dual zone, 1st story is fine.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Mar 27, 2008, 09:10 AM
    Could be the dual zone circuit acting up again.
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