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International Comfort Products GPSM48S120F Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will consistently detect the correct flame when the system starts. As expected, if the sensor goes off the whole system stops until obstacle is corrected.
Subtle cues of a weakening flame sensor
- Your heating system will not fire up no matter what
- System will kind of run rarely when the time is right
- The gas refuses to start an ignition sequence no matter what you do
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