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Goodman GDH80703AXCB Flame Sensor
The flame sensor is only used on furnaces that burn gas and is one that can reliably detect the flame while the system is starting. As with most devices used for safety reason, when the flame sensor is activated the system will halt until the problem is dealt with.
Red flags of a declining flame sensor
- The LP or natural gas refuses to start an ignition sequence and shut down
- Your furnace will not supply heat when you crank the thermostat up
- HVAC system will start occasionally when it wants to
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