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International Comfort Products PAF042K000A Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that can reliably detect the proper flame in accordance with the initial ignition sequence. Because of the safety issues involved, if the sensor get triggered the whole HVAC system will remain stopped until the problem is dealt with.
Important signs your safety flame sensor is going out
- The gas has difficulty trying to burn and shuts itself off
- System will operate sometimes whenever it pleases
- The gas furnace cannot produce any heat whatsoever
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