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Friedrich SM21 Fan Blade
The motor spins the blade which produces a strong flow air that was heated or cooled by the wall unit. Along with blowing air out, it also takes air in which provides assistance in keeping the wall unit cool while in operation.
Major signs your fan blade needs a replacement ASAP
- The main wall unit finds it difficult to blow enough air to make any difference in the room
- The fan blade looks cracked or maybe beat up and in very bad shape
- The unit blade subjects you to a grinding sound while starting or stopping
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If you decide on picking up or purchasing any Friedrich SM21 replacement part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the proper replacement fan blade is the one being purchased. Installation of the fan blade is not difficult provided you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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