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Whirlpool ATR0953RPP0 Blower Wheel
The primary blower wheel is commonly finned and is used in order to generate airflow throughout all the ducts. It is sometimes referred to as a squirrel cage due to its alikeness of a hamster wheel. Regardless of what you call it, it is definitely an important piece of equipment that is required for proper air pressure within the ductwork.
Clues to watch for to know that the main blower wheel is going out
- You may sense quite a bit less air coming out of the vents
- A scraping sound is audible as the HVAC system starts up
- If one of the fins has been bent and it seems out of balance
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