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Lennox G40UH-48B-090 Flame Sensor
The flame sensor is one that will reliable sense the correct flame upon ignition. As expected, if the sensor goes off the gas valve is shut off and the system halts for as long as the problem remains.
Symptoms your safety flame sensor is dying
- Your
system is unwilling to begin operations when you have it set to - LP or natural gas finds it impossible to start an ignition sequence and the main board displays on error code
- HVAC system starts rarely at the stroke of midnight after the second full moon following the second Sunday of the month
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If you decide on picking up or purchasing any Lennox G40UH-48B-090 replacement part do your best and make sure of the correct model and also make a visual comparison so that you are positive that the right flame sensor is being ordered. Replacing a new flame sensor can be quite easy assuming you possess the knowledge and have the proper tools to do it right.
Feel free to download your manual for help.
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