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Lennox CB29M-51 Air Pressure Switch
The function of the switch is to sense whether the primary blower is circulating the air as it should. This switch is part of a small, but important collection of devices that are created to stop injuries or explosions. Some particular air pressure switches may have a reset feature that is manual, which means it would need to be reset or the whole HVAC system will not continue operation.
Signals that the Pressure Switch will Fail Soon
- The furnace can't operate at all.
- The correct temperature in the house is rarely attained.
- Bad voltage running through the pressure switch.
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If you are going to be buying or purchasing any Lennox CB29M-51 part, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the correct air pressure switch is being ordered. There is no need to install the replacement part alone. Find a professional locally to do the job for you.
Feel free to download your manual for help.
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