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Mitsubishi MS12TN Blower Wheel
The primary blower wheel has fins for maximum air force and is used to produce an airflow throughout a dwelling. It can also be called a squirrel cage because of its similarity to that of an oversized hamster exercise wheel. Whatever you want to call it, it is definitely an important device of any HVAC system that needs a good amount of airflow.
Clues to watch for to know that the main blower wheel has very little life left
- If one of the fins has been smashed and it wobbles when spinning
- You discover much less air flow in the house
- Scraping sound heard as the HVAC system starts up
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