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Lennox G40DF-60C-110 Flame Sensor
The flame sensor is a vital part that will consistently detect the correct flame during ignition. As with most devices used for safety reason, if the sensor get triggered the furnace will not start until the problem is repaired.
Indications your safety flame sensor is in dire need of a replacement
- Any type of gas that has entered the furnace has difficulty trying to ignite and the main board displays on error code
- The heating system turns on sometimes only after the second full moon of the month on a Tuesday
- Your furnace cannot generate heat when the control board tells it to
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