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    m8ducks's Avatar
    m8ducks Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 26, 2007, 03:37 PM
    Lennox whisperheat pilot won't stay lit after combustion
    I have a Lennox whisperheat furnace with electronic ignition.It clicks and lights the pilot for about a second (with a pretty blue flame)then it clicks and the pilot goes out.I know the clicking is a gas valve working,but other than that I don't know.Why won't it stay lit and ignite?Your help would be greatly appreciated!
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Sep 26, 2007, 09:05 PM
    I would check the flame rectifier circuit. Usually there is a sensor that detects flame and allows the unit to continue to operate once the flame is established. I would check the sensor or replace it.
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