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Lennox G40UH-36B-090 Flame Sensor
The flame sensor is a device that will reliable sense the acceptable flame when igniting the system. As with most safety features, when the flame sensor gets triggered by something everything remains shut off until the problem is dealt with.
Major warnings the Lennox flame sensor is in need of replacing
- The heating system will kind of run sporadically when it thinks it should
- Your
system cannot generate heat when you crank the thermostat up - The gas that has entered the furnace refuses to burn no matter what you do
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Before you decide on buying or purchasing any Lennox G40UH-36B-090 replacement part do your best and double check the model number as well as make a visual comparison so that you are positive that the correct replacement flame sensor is being ordered. Once you have the part to install the part by yourself. Hire someone with experience in your town or city to do it for you.
Feel free to download your manual for help.
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