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Lennox G40UH-60C-110 Flame Sensor
A flame sensor is a very important part of the safety feature set that will dependably sense the correct flame when igniting the system. Because of the safety issues involved, when the sensor is triggered by an event the system will halt for as long as it takes to remedy the problem.
Elements of a weakening Lennox flame sensor
- The whole system will work rarely only
- The gas supplying the furnace has a tough time trying to ignite and the main board displays on error code
- The gas furnace is unwilling to ramp up when the control board tells it to
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