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Carrier 39E Blower Wheel
The primary blower wheel is the squirrel cage attached to the blower motor that is spun around by a motor to generate airflow throughout all the ductwork of a home. It can also be called a squirrel cage because of its unusual resemblance of an oversized wheel a hamster might run on. However you decide to name it, it is a necessary part that is necessary for proper air pressure within the ductwork.
Clues blower wheel assembly should be replaced
- If any of the fins has been damaged and it seems out of balance
- You may sense a lot less air flow as of late
- A scraping sound heard while system starts
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