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Lennox 14ACX-042 Air Pressure Switch
The job of the pressure switch is to sense whether the primary blower is blowing air. A good number of pressure switches today have a manual reset feature, from which it would have to be reset manually or the whole HVAC system will not continue operation. An air pressure switch is just one of many devices designed to stop injuries or explosions.
Signs of a Failing Air Pressure Switch
- The correct indoor temperature is almost never reached.
- Inaccurate volt range being read.
- The furnace won't ignite the gas.
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If you decide on picking up or ordering a replacement air pressure switch for your Lennox 14ACX-042, do your due diligence and cross-check the model number as well as make a visual inspection in order to be sure the correct air pressure switch is the one being purchased. If you are not sure about installing the new air pressure switch by yourself then it would be in your best interest to consult a pro to do the work for you.
Feel free to download your manual for help.
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