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Lennox G40UH Flame Sensor
The flame sensor is one that will consistently detect the precise flame during the initial ignition of the furnace. As with other safety devices, when the flame sensor is activated the furnace cannot start again until the problem is dealt with.
What red flags are there that my flame sensor needs replacing?
- The gas supplying the furnace finds it impossible to begin igniting no matter what
- HVAC system will sometimes work infrequently barely
- The furnace is unwilling to begin working when it is supposed to
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If you decide on picking up or purchasing any Lennox G40UH part do your best and cross-check the correct model as well as make a visual comparison in order to be sure the right flame sensor is being ordered. You do not need to install it yourself. Find a professional locally to do the job for you.
Feel free to download your manual for help.
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