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International Comfort Products PGMD18G0406 Flame Sensor
The flame sensor is an important feature that senses the acceptable flame upon ignition. As with other safety devices, if the sensor get triggered the furnace will not start for as long as the problem remains.
Some warnings the primary flame sensor needs replacing
- HVAC system will start infrequently when it wants to
- The heating system is unwilling to supply heat and shuts down
- The gas supplying the furnace finds it impossible to burn and closes the gas valve
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