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Bard 8552-047 is a dual run capacitor rated 30/5 MFD at 370V in a compact round 2-inch diameter style used on many Bard wall-mount and split systems to support steady operation of the compressor and condenser fan motor. A weak or failed run capacitor can cause hard starting, nuisance trips, overheating, or a fan that will not stay running, so replacing it with the correct OEM Bard value is critical for proper motor torque and efficiency. Match the microfarad ratings and voltage exactly to the unit wiring diagram, move leads one at a time to the C, FAN, and HERM terminals, and confirm the capacitor is safely discharged before servicing.