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Friedrich SM21 Fan Capacitor
A capacitor in a wall unit is designed to dictate the fan speed of the main blower. Some HVAC units help make a replacement something anyone can do, while some companies do not.
Major symptoms of a weakening blower fan capacitor
- You cannot change the overall velocity of the unit
- Fan capacitor appears charred and slightly melted when opening the unit
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Before you decide on buying or ordering any Friedrich SM21 replacement part do your best and cross-check the correct model as well as make a visual inspection in order to be sure the right fan capacitor is the one being purchased. The installing of the fan capacitor is a breeze assuming you energy and have the tools to do it right.
Feel free to download your manual for help.
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