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Frigidaire FRS18PYW20 Flame Sensor
The flame sensor is a device that will reliable sense the precise flame upon ignition. Due to safety concerns, if the sensor get triggered the gas valve is shut off and the system halts until the problem is remedied and the system is reset.
Signals of an unhealthy flame sensor
- Your heating system is unwilling to even begin to start and shows an error code on the board
- The whole system will operate infrequently when it thinks it should
- The gas entering the furnace cannot begin igniting and some type of error flashes on the main board
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