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International Comfort Products C8DNL125L20A1 Flame Sensor
A flame sensor is one that will dependably sense the proper flame in accordance with the initial ignition sequence. As with most devices used for safety reason, when the flame sensor is activated the whole HVAC system will remain stopped for as long as it takes to remedy the problem.
Indications of a faulty safety flame sensor
- The gas furnace cannot work and produces an error code on the circuit board
- The furnace turns on sporadically at midnight, but only after the new moon following the fourth Monday of the month
- The main type of gas finds it impossible to burn under any circumstance
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