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Lennox CB29M-46 Blower Wheel
The blower wheel is attached to the blower motor and is used in order to produce a steady airflow through all the ductwork of a home. Once in a while it is also called a squirrel cage due to the resemblance to that of a wheel that a pet hamster may use for exercise. Regardless of what you call it, it is definitely an important contraption that is needed for a good amount of airflow.
Clues to watch for to know that the main blower wheel will need replacing
- Scraping sound heard while the system ramps up
- If one of the fins has been malformed and it spins lopsided
- You may sense quite a bit less airflow lately
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