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Lennox HPXA12-018 Blower Wheel
The primary blower wheel is commonly finned and is spun around by a motor to generate airflow throughout all the ducts. It can also be referred to as a squirrel cage due to the partial similarity of an oversized hamster running wheel. Whatever you want to call it, it is still a very necessary piece of equipment of any system that needs proper air pressure within the ductwork.
Major warnings that the main blower wheel will die soon
- If a part of the cage has been damaged and it seems out of balance
- You observe less than usual air going through the vents
- Clanking sound can be heard when the system ramps up
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