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Williams 3501912 Fan Capacitor
A capacitor in a wall unit is used to restrict the overall fan speed of the blower. Some HVAC units assist in making a replacement of the capacitor really easy, some do not.
Red flags your wall unit fan capacitor is in dire need of a replacement
- Only on certain occasions can you change the speed of the primary blower
- Fan capacitor appears burnt and damaged sitting in the HVAC unit
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