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Lennox G40UH Air Pressure Switch
The reason for the existence of the pressure switch is to sense if the blower fan is running properly. Some pressure switches can have a manual reset, which means it will have to be manually reset or the entire system will not run. This pressure switch is one of the vitally important safety device to keep your family safe and sound.
Symptoms that the Pressure Switch is About to Fail
- The blower fan will not operate.
- Bad electrical voltage running through the switch.
- The desired temperature is rarely achieved.
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Before buying or purchasing any Lennox G40UH part, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the proper replacement air pressure switch is being ordered. Replacing a new air pressure switch is not difficult assuming you know what you are doing and have the proper tools to do it right.
Feel free to download your manual for help.
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