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Lennox G40UH-24A-045 Flame Sensor
A flame sensor is only found on gas furnaces. It is a sensor that senses the precise flame while the system is starting. As with most devices used for safety reason, if the sensor generated a error the furnace cannot start again until the problem is remedied and the system is reset.
Major warnings your safety flame sensor needs a replacement ASAP
- The furnace will sometimes work infrequently only after the second full moon of the month on a Tuesday
- The heating system is unable to ramp up at all
- Any type of gas that has entered the furnace refuses to burn and the control shows an error
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If you are going to be buying or ordering any Lennox G40UH-24A-045 replacement part, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the right flame sensor is the one being purchased. Use caution when replacing parts in an HVAC environment. When in doubt call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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