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Goodman ARUF486016 Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will reliable sense the precise flame while the system is starting. As with other safety devices, if the sensor goes off the entire HVAC system will stop until the problem is dealt with.
Major symptoms your flame sensor is in need of replacing
- Your heating system cannot start operating when you crank the thermostat up
- HVAC system will work infrequently at midnight, but only after the new moon following the fourth Monday of the month
- The gas that has entered the furnace refuses to try to ignite and shuts off
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