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

    Nov 25, 2007, 03:35 PM
    Blower fan will not shut off.
    I have a York LP gas furnace and heat pump. The furnace fan will not shut off even if I turn thermostat to off position. I took the thermostat apart and it has a mercury switch for the temperature side, the mode side is not accessible. The furnace seems to work.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Nov 25, 2007, 03:37 PM
    Could have a stuck fan switch.
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