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Carrier 38HD Blower Wheel
The blower wheel is commonly finned and is spun around by a motor to generate airflow throughout all the ducts. It is occasionally called a squirrel cage due to the partial semblance to that of a wheel that a pet hamster may use for exercise. Regardless of what you call it, it remains a vital part of a heating and cooling system that needs proper air circulation.
Signals that the main blower wheel will die soon
- Rattling noise can be heard when the system ramps up
- If one of the fins has been bent and it causes a lot of vibration
- You discover quite a bit less air flow as of late
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