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Lennox G40DF-48C-110 Flame Sensor
The flame sensor is a vital part that will reliable sense the correct flame in accordance with the initial ignition sequence. Due to the overall safety issue, if the sensor get triggered the whole HVAC system will remain stopped until the main issue is remedied.
Major clues of a poorly working primary flame sensor
- Your heating system refuses to begin working when it is supposed to
- The main type of gas will not ignite and shuts itself off
- The whole system starts intermittently whenever it pleases
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