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International Comfort Products NAC048AKA1 Blower Wheel
The main blower wheel has fins all around it and is spun around by a motor to provide air circulation to all the ductwork of a home. It is also called a squirrel cage due to a funny semblance to that of a wheel that a pet hamster may use for exercise. Regardless of what you call it, it is definitely an important piece of equipment of an air handling system that calls for proper air circulation.
Some warnings of a poorly performing blower wheel
- If a part of the wheel has been smashed and it seems out of balance
- You see less than normal airflow coming out of the system
- Grinding sound is noticed as the blower begins
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