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International Comfort Products GPSM48L120F Flame Sensor
The flame sensor is a safety feature that will sense the precise flame when igniting the system. As with most devices used for safety reason, if the flame sensor gets set off the system will halt for as long as it takes to remedy the problem.
How can I tell if my furnace flame sensor is about to stop working?
- The heating system will sort of operate intermittently when it thinks it should
- The gas supplying the furnace will not even try to burn and the control shows an error
- The heat system will not ramp up when you crank the thermostat up
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