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International Comfort Products PHF030K000A Blower Wheel
The main blower wheel is finned and is spun around by a motor to produce a steady airflow through all the ducts. It is also named a squirrel cage due to the understandable alikeness to that of a wheel that a pet hamster may use for exercise. No matter what you call it, it is definitely an important device of any heating or cooling systems that requires suitable airflow.
General indicators that your that the main blower wheel will not live much longer
- If any part of the wheel has been smashed and it spins lopsided
- Lowered flow of air through the ducts
- A thumping noise is audible as the system begins
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