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Lennox XC21-048 Air Pressure Switch
The actual job of the switch is to see if the blower is blowing air. The vast majority of pressure switches made today are equipped with a manual reset feature, by which you must manually reset it before you can continue using the system. This switch is one of the key devices designed to keep you safe.
Signals that the Pressure Switch is Failing
- Your heating and cooling system is unable to run.
- Bad volt range running through the pressure switch.
- The desired temperature indoors is rarely fully attained.
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Before buying or purchasing any Lennox XC21-048 replacement part do your best and double check the model number and also make a visual inspection in order to be sure the proper replacement air pressure switch is being ordered. The installing of a new air pressure switch can be quite easy if you have the time and have the tools to do it right.
Feel free to download your manual for help.
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