OEM Carrier Dual Run Capacitor 70+7.5 MFD 370V & Start Capacitor Kit for Model PH15NA04800GBAAA

This OEM-specification capacitor kit includes both the dual run capacitor (P291-7073RS / superseded by P291-7074R) and the start capacitor (P281-1766) — the factory-matched pair for the Carrier PH15NA04800GBAAA Comfort 15 heat pump condenser. The dual run capacitor continuously energizes the compressor and condenser fan motor during operation, while the start capacitor delivers the extra voltage surge needed to spin the compressor up from a standstill. When either fails, you'll experience a humming unit that won't start, a compressor that trips on thermal overload, or a system that short-cycles within the first few minutes of operation.

• Dual Run Capacitor Specs (P291-7073RS → P291-7074R): 70+7.5 MFD | 370V/440V rated | Round case, 2.5" diameter | ±6% tolerance | 50/60 Hz | 10,000 AFC | RoHS compliant | UL approved | Castor oil-filled, no PCB
• Start Capacitor Specs (P281-1766): 175–216 MFD | 330V | Round case | Factory-specified boost capacitor for compressor hard-start assist
• OEM vs Generic: OEM Totaline/Carrier capacitors are reliability-tested to 60,000 service hours per United Technologies application parameters with 100% electrical testing at the factory. Generic capacitors frequently run outside ±6% MFD tolerance, accelerating compressor wear and increasing hard-start failures — especially critical on a 4-ton R-410A heat pump compressor.
• Install Difficulty: 2/5 — Always discharge the run capacitor before touching terminals (use an insulated resistor or discharge tool). Tools needed: 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring before disconnecting. Note: P291-7073RS is superseded by P291-7074R — the updated 370/440V dual-rated version is a direct drop-in replacement.
• Warranty: 1-year OEM manufacturer warranty against defects. Ships same business day from our warehouse.

Compatibility: Factory-matched OEM capacitor kit for the Carrier PH15NA04800GBAAA Comfort 15 4-ton heat pump condenser. Always verify MFD ratings and voltage on your unit's data plate before installing. Not sure if this fits? Our HVAC parts specialists verify fitment before you order — order with confidence and get back to cool faster.