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    NSatullo's Avatar
    NSatullo Posts: 6, Reputation: 1
    New Member
    		  
    #1

    Dec 5, 2009, 05:17 PM
    Bryant furnace
    I have a 2007 Bryant Plus 90t Furnace and since it was installed 1n 2007 the Flame Sensor had to be cleaned 3 times, what's the problem why does the flam sensor get corroded and the furnace won't light.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 5, 2009, 05:29 PM
    Whatever is in the air in your home is the usual cause of the flame sensor getting a coating on it. It could be many items from laundry supplies to hair spray.
    KC13's Avatar
    KC13 Posts: 2,556, Reputation: 99
    Ultra Member
    		  
    #3

    Dec 6, 2009, 06:59 AM

    Observe the combustion vent terminations while the unit is running. Are exhaust vapors being drawn into the air intake? If so, the terminations may have to be re-worked.
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