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GE AZ75H18EACM1 Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that can reliably detect the exact flame in accordance with the initial ignition sequence. As with any other safety sensor, if the flame sensor is triggered the whole HVAC system will remain stopped until obstacle is corrected.
Symptoms of a failing furnace flame sensor
- The gas entering the furnace will not even try to burn and closes down
- The whole system will sort of operate on certain occasions when it feels like it
- Your system cannot even begin to start when you crank the thermostat up
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