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Mitsubishi MSZ-GA25VA Blower Wheel
A blower wheel is finned and is spun around by a motor to provide air circulation to all the ducts. It is also referred to as a squirrel cage due to the alikeness to that of an oversized hamster exercise wheel. However you decide to name it, it is a very vital part of any heating or cooling systems that requires suitable airflow.
Subtle cues to watch for in a failing main blower wheel
- A scraping sound is audible as the motor begins to turn
- If a part of the cage has been dented and it spins lopsided
- You discover less than usual air coming from the blower
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