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Lennox G40UH-48B-090X Blower Wheel
The primary blower wheel is commonly finned and is used to provide air circulation to an entire home. It is also called a squirrel cage because of the striking resemblance of a very large wheel a hamster would run on. Whatever name you use, it is definitely an important device of a heating and cooling system that needs a good amount of airflow.
Major symptoms that your blower wheel probably needs replacing ASAP
- Rattling noise is audible as the system ramps up
- You find a lot less than usual air flow
- If any one of the fins has been wrecked and it causes a lot of vibration
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