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Williams 3509612 Fan Capacitor
A capacitor is generally utilized in order to dictate the fan speed of the unit. Some HVAC units make replacing the capacitor something simple to accomplish, while a few manufacturers make it almost impossible.
Indications of a poorly working wall unit fan capacitor
- Fan capacitor looks blackened and slightly melted as it sits in the wall unit
- You can only sometimes change the velocity of the primary blower
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