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Lennox CB26UH Flame Sensor
A flame sensor is a vital part that will dependably sense the precise flame while the system is starting. Due to safety concerns, if the sensor get triggered everything remains shut off until the problem is dealt with.
Signs of a weakening primary flame sensor
- The furnace will operate rarely when it wants to
- Your gas furnace is unable to even start when the control board tells it to
- The gas that has entered the furnace will not even try to properly ignite and shuts itself off
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