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Lennox G40DF Blower Wheel
The main blower wheel is commonly finned and is spun around by a motor to produce a steady airflow through a residence. Some people call it a squirrel cage due to the partial semblance to that of an oversized hamster exercise wheel. Regardless of what you call it, it is a necessary contraption that is needed for a good amount of airflow.
Warnings that the main blower wheel needs replacing
- Rattling noise is noticed as the blower starts
- You find a lot less airflow in the home
- If a piece of the cage has been malformed and it spins lopsided
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