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Williams 5009621 Fan Blade
The motor spins the blade which generates the flow of air away from the unit. The fan blade also helps out with keeping the unit from overheating while it is heating or cooling.
Red flags of an inadequate fan blade
- The unit has difficulties trying to blow the correct amount of air in order to get to the desired temperature
- Blade in the unit creates a disturbing sound when you start it up
- The air circulating blade looks cracked or wrecked and probably should be replaced
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