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Lennox XC15 Air Pressure Switch
The reason for the existence of an air pressure type switch is to sense if the air blower is on and running. The majority of pressure switches are constructed with a manual reset, which forces the system to be reset physically before the HVAC system will continue. This switch is one of the vitally important safety aspects of the whole safety system that is intended to stop injuries or explosions.
Symptoms to Look for when the Switch is Starting to Fail
- Furnace can't ignite.
- Wrong electrical voltage reading.
- The correct temperature indoors seldom fully achieved.
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If you are going to be buying or purchasing do your best and double check the correct model as well as make a visual comparison in order to be sure the correct air pressure switch is the one being purchased. You do not need to install the replacement part alone. Search for a pro in your area to do the job for you.
Feel free to download your manual for help.
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