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International Comfort Products C9MPT125L20B1 Flame Sensor
The flame sensor is a vital part that will consistently detect the correct flame while the system is starting. As with most safety features, when the sensor is triggered by an event the furnace will not start until the main issue is remedied.
Indications your safety flame sensor is failing
- HVAC system runs infrequently when it feels like it
- The gas furnace will not supply heat and completely shuts down
- LP or natural gas finds it impossible to start an ignition sequence and closes down
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