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    tomi1665's Avatar
    tomi1665 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 8, 2008, 05:57 AM
    Rheem rtu gas burner not firing properly
    I have a rheem gas/ac rtu. When the unit calls for heat it fies up fine but later kicks out due to limit switch in burner compartment tripping, while watching the burners I notice that 1 of the five burner tubes is not burning smoothly and allows the flame to escape into the compartment rather than going into the tube, this creates excess heat in the compartment and trips the limit. Why is only one burner firing this way? The tube is clear.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Dec 8, 2008, 06:04 AM
    The unit needs a clean and check. During that time it is possible that either the burner tube(S) or the heat exchanger will be found defective by a HVAC professional.
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