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Lennox G40UH-24A-070 Flame Sensor
A flame sensor is a device that will sense the proper flame upon ignition. As you would probably could have guessed, if the sensor produces an error the gas valve is shut off and the system halts until obstacle is corrected.
Major symptoms poorly running primary flame sensor
- The gas has problems trying to begin igniting under any circumstance
- The whole system starts sporadically when it wants to
- Your gas furnace is unwilling to start when you want it to
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Before buying or ordering a new Lennox G40UH-24A-070 replacement part do your best and make sure of the model number as well as make a visual inspection so that you are positive that the correct replacement flame sensor is being ordered. There is no rule that says you have to replace the part all by yourself. Search for a pro locally to pay to install it for you.
Feel free to download your manual for help.
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