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Carrier 50ZH Flame Sensor
The flame sensor is only used on furnaces that burn gas and is one that will consistently detect the precise flame in accordance with the initial ignition sequence. As you would probably could have guessed, when the sensor is triggered by an event the gas valve is shut off and the system halts until the main issue is remedied.
Warnings of a dying primary flame sensor
- The gas supplying the furnace has difficulty trying to begin igniting and closes down
- HVAC system will operate occasionally only
- The furnace is unwilling to even start no matter what
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