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International Comfort Products FBF050B12A2 Flame Sensor
A flame sensor is an important feature that can sense the acceptable flame when igniting the system. As with most devices used for safety reason, if the sensor get triggered the furnace will not start for as long as it takes to remedy the problem.
Simple indications of a weak safety flame sensor
- System works infrequently when it thinks it should
- The type of gas you use has a tough time trying to begin an ignition sequence and some type of error flashes on the main board
- The gas furnace is unable to generate heat and shows an error code on the board
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