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Williams 3509611 Fan Blade
The fan blade spins and creates a nice flow of conditioned air from the heating or cooling system. The fan blade also aids in keeping the unit cool while running.
Major clues to watch for in a bad fan blade
- The fan in the wall unit has problems as it tries to blow good air in order to achieve the proper temperature
- The main fan blade looks shattered or perhaps damaged and needs to be replaced
- Blade in the unit causes a whining sound while blowing air
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