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Lennox CB30U-51 Air Pressure Switch
The actual job of this type of switch is to sense whether the blower is on and running. Some different switches may have a reset feature that is manual, from which the switch will have to be manually reset or the whole HVAC system will not continue operation. This pressure switch is one of the most crucial devices that are created to keep you safe.
Red Flags that your Air Pressure Switch has Failed
- The proper temp seldom reached.
- Inaccurate electrical voltage running through the switch.
- The furnace or AC will not run.
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If you are going to be buying or purchasing any Lennox CB30U-51 part do your best and cross-check the correct model as well as make a visual inspection in order to be sure the right air pressure switch is the one being purchased. There is no need to replace the part all by yourself. Look for a professional locally to do it for you.
Feel free to download your manual for help.
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