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    fore's Avatar
    fore Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 17, 2013, 10:10 PM
    Maple chase
    I have a maple chase thermostat about 20 years old. The batteries (AA) used to last about 2 years. Now only a couple months - what's wrong?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Feb 18, 2013, 12:49 AM
    It is possible that the common wire that powers the display has been lost/disconnected somehow which would force the thermostat to operate on battery only. This could be the cause of your battery's not lasting so long. There are other possibility's but a service person would have to be On Site to test further.
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