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Lennox CB27UH-042 Blower Wheel
The primary blower wheel is a finned wheel that is used as to produce a steady airflow through a residence. Once in a while it is also called a squirrel cage because of its unusual resemblance to that of a hamster wheel. However you decide to name it, it is a necessary aspect that is needed for a good amount of airflow.
Major signs that the main blower wheel will not last the year
- You may sense quite a bit less air coming out of the vents
- If any of the fins has been malformed and it seems out of balance
- A scraping sound is audible as the system ramps up
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