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LG LMAN120HNS Flame Sensor
The flame sensor is one that can sense the correct flame during ignition. As with other safety devices, if the sensor produces an error the whole HVAC system will remain stopped until the main issue is remedied.
Clues to watch for to know your safety flame sensor is on its last leg
- The gas that has entered the furnace cannot burn and shuts itself off
- The whole system will sometimes work intermittently barely
- Your heating system is unwilling to produce any heat no matter what
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