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Mitsubishi PCA-A36KA Flame Sensor
The flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will sense the appropriate flame during ignition. As you would probably could have guessed, if the flame sensor senses a problem everything stops until obstacle is corrected.
Important signs your furnace flame sensor is not going to last much longer
- The furnace cannot start operating no matter what
- The entire heating system will sometimes work intermittently only
- The propane or natural gas cannot ignite no matter what you do
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