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Lennox CB28UH-018 Air Pressure Switch
The main job of this type of switch is to see if the main blower is actually running. This pressure switch is part of the safety system that is in place to keep you safe from injury or explosions. Various air pressure switches can have a manual reset, by which you must manually reset it or the whole HVAC system will not continue operation.
Signs that the HVAC Air Pressure Switch is Starting to Go Bad
- Bad voltage reading from the switch.
- The blower fan can not run correctly.
- The desired temp is rarely fully attained.
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Before buying or purchasing any Lennox CB28UH-018 part do your best and cross-check the correct model as well as make a visual comparison so that you are positive that the correct air pressure switch is the one being purchased. You do not have to install the part by yourself. Hire someone with experience in your community to pay to install it for you.
Feel free to download your manual for help.
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