OEM Carrier Dual Run Capacitor 35+5 MFD 440V for Model PH1ZNA030000AAAA

This is the factory-specified OEM dual run capacitor (part number P291-3554RS) for the Carrier PH1ZNA030000AAAA heat pump system. A dual run capacitor stores and delivers the electrical charge required to start and continuously run both the compressor and the condenser fan motor from a single round can. When this capacitor fails, you'll typically experience a loud hum with no motor movement, the unit short-cycling within seconds of startup, or the condenser fan spinning weakly or not at all — all signs of imminent compressor damage if left unaddressed. A second OEM part number for this unit, P291-1503, covers the single run capacitor variant; confirm your existing capacitor's MFD ratings before ordering.

• Specs: 35+5 MFD (microfarad) | 440V rated | Round case | ±6% tolerance | 50/60 Hz | 10,000 AFC | Castor oil protected | No PCBs | UL approved
• OEM vs Generic: This is a genuine Carrier OEM capacitor meeting exact factory specifications. Generic capacitors often carry a ±10% MFD tolerance versus the OEM ±6%, leading to accelerated motor and compressor wear over time.
• Install difficulty: 2/5 — Always discharge the capacitor fully before touching any terminals. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removal. Replace like-for-like on MFD ratings and voltage.
• Warranty: 1-year OEM factory warranty. Ships same business day from our NationalHVACParts.com warehouse. Free shipping on orders over $99.

Compatibility: Designed for the Carrier PH1ZNA030000AAAA heat pump system. Replaces legacy Carrier part numbers HC98JA036D, HC98CA035, HC98CA036, and 319186-701. Always verify your unit's data plate MFD and voltage ratings before ordering. Our team is available to confirm fitment — contact us before you buy.