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Mitsubishi PKA-A12HA Blower Wheel
The main blower wheel is commonly finned and is used in order to provide forced air through a home. It is sometimes referred to as a squirrel cage because of its likeness of a hamster wheel. Whatever you want to call it, it is a necessary contraption of a heating and cooling system that needs a good amount of airflow.
Symptoms your blower wheel is on its last leg
- You notice lower than normal airflow coming out of the system
- Grinding sound heard as the system begins
- If any one of the fins has been malformed and it spins lopsided
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