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Lennox XC15 Flame Sensor
The flame sensor is a safety feature that can reliably detect the appropriate flame during the initial ignition of the furnace. Due to safety concerns, if the flame sensor gets set off the whole system stops until the problem is fixed.
Cues of an unhealthy safety flame sensor
- HVAC system will work intermittently barely
- The type of gas you use has difficulty trying to burn and shut down
- Your system is unwilling to begin operations no matter what
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