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I have a goodman GMNT gas furnace Propane it lights off I have a blue flame for about 3 seconds I hear a click on the circuit board and the flame goes out this is doing it constantly. could you please help me  Danny

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Hi!!! If the flame turns on then off and on then you should change your flame sensor on the gas furnace..YEs flame sensor is shorted..The flame sensor is located by the valve burners it has one wire and is white..Good luck..

Posted on Jan 03, 2009

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