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Lennox CB28UH-018 Blower Wheel
A blower wheel is usually finned and is spun around by a motor to produce a steady airflow through a dwelling. It is also named a squirrel cage due to the slight semblance of an oversized wheel a hamster might run on. Whatever name you use, it is still a very necessary part that is essential for proper air circulation.
Subtle hints that your blower wheel probably needs a replacement ASAP
- Clanking sound heard as the motor ramps up
- If a piece of the cage has been bent and does not spin right
- You observe less than usual air coming from the vents
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