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This factory-authorized OEM single run capacitor set includes both Carrier Totaline part numbers P291-0403 (4 MFD) and P291-2503 (25 MFD) — the two dedicated run capacitors specified for the Carrier PY3PPA060130AA packaged rooftop unit. In a packaged unit, the condenser fan motor and compressor each rely on their own single run capacitor to sustain proper phase shift and efficient motor operation. When either capacitor weakens or fails, you'll commonly experience a humming compressor or fan that won't spin up, warm air at the supply registers, or a unit that short-cycles and trips on thermal overload.
Compatibility: Designed for the Carrier PY3PPA060130AA packaged rooftop unit. Always verify MFD and voltage ratings against your unit's data plate and wiring diagram before ordering. Our team is available to confirm fitment — reach out before you buy if you have any questions.