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Lennox F8AUH Flame Sensor
A flame sensor is a safety device that senses the exact flame during ignition. As with most safety features, if the sensor produces an error the system will halt until the problem is dealt with.
Some clues your safety flame sensor will not live much longer
- The gas will not even try to begin an ignition sequence under any circumstance
- The gas furnace will not generate heat when you want it to
- The furnace kicks in sporadically when the time is right
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Before you decide on buying or purchasing a new Lennox F8AUH replacement part, do your due diligence and make sure of the correct model and also make a visual inspection in order to be sure the proper replacement flame sensor is being ordered. If you are not sure about the correct way of installing the new flame sensor on your own then it would be in your best interest to contact a professional to do the work for you.
Feel free to download your manual for help.
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