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Frigidaire FRS123LC1 Flame Sensor
A flame sensor is a safety feature that will sense the acceptable flame when igniting the system. As expected, if the flame sensor is triggered the furnace will not start until obstacle is corrected.
Key symptoms to watch for in a bad safety flame sensor
- Your heating system is unwilling to fire up when the thermostat kicks in
- The gas that has entered the furnace has problems trying to begin igniting under any circumstance
- The entire heating system kicks in sometimes when it feels like it
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