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Lennox XC16-024 Flame Sensor
A flame sensor is a safety device that will dependably sense the exact flame in accordance with the initial ignition sequence. Because of the safety issues involved, if the flame sensor gets set off the system remains completely shut down until the problem is remedied and the system is reset.
Warnings your furnace flame sensor will soon need to be replaced
- The gas that has entered the furnace has problems trying to begin an ignition sequence and closes down
- HVAC system will run intermittently when it thinks it should
- The furnace is unable to produce heat and shows an error code on the board
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