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LG LAU121HNM Fan Blade
The specialized blade produces the flow of air to and from the main heating or cooling system. Along with blowing air out, it also takes air in which provides assistance in keeping the heating or cooling system safe from overheating while heating or cooling.
Some warnings of a weak circulating fan blade
- The main fan blade looks chipped or beat up in some way
- The unit blade subjects you to a very unhealthy sound when turning it off
- The fan blade can not blow a large amount of air in order to make the room comfortable
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