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Carrier 48XL-A48 Blower Wheel
The main blower wheel is commonly finned and is spun around by a motor to produce a steady airflow through all the ducts. It is sometimes referred to as a squirrel cage because of its unusual alikeness to that of a wheel that a pet hamster may use for exercise. Whatever you want to call it, it is still a very necessary device of any HVAC system that needs proper airflow.
Clues to watch for to know your blower wheel will die soon
- You may sense less than normal air flow as of late
- If any of the fins has been wrecked and it wobbles when spinning
- A scraping sound is heard as the blower starts to turn
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