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This OEM dual run capacitor (part# P291-7073RS, with associated start capacitor P281-1766) is the factory-specified replacement for the Carrier PH15NA048000BAAA heat pump condenser. The dual run capacitor stores and releases the electrical charge needed to start and sustain both the compressor and condenser fan motor simultaneously. When it fails, you'll typically notice a low hum with no motor movement, the system short-cycling within minutes of startup, or the compressor running while the fan motor stops — all signs of imminent system damage if left unaddressed.
Compatibility: Engineered for Carrier model PH15NA048000BAAA heat pump condensers. OEM part numbers P291-7073RS and P281-1766. Note: P291-7073RS has been superseded by P291-7074R (440V rated upgrade) — our listing includes the correct current OEM equivalent. Always verify the MFD and voltage rating on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us before checkout.