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    perry9643's Avatar
    perry9643 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 21, 2009, 06:39 AM
    Heater won't stay on
    My gas furnace will not stay on. The heat sensor comes on starts to glow. Then the heater will ignite with blue flames. THen as the heat sensor starts to go out the it turns off and the blue flames go away. THen the process starts over again. Sometimes it will light and stay on but not usually.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Oct 21, 2009, 07:46 AM
    Clean the flame sensor.
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