OEM Carrier Start Capacitor P281-1766 for Model PH4ANG042000BCAA

This OEM start capacitor (part number P281-1766) is the factory-specified replacement for the Carrier PH4ANG042000BCAA heat pump system. The start capacitor delivers a powerful electrical boost to the compressor motor at startup, enabling it to overcome initial inertia and reach operating speed quickly. When this component fails, you'll typically experience hard-starting, the compressor humming but failing to turn over, nuisance tripped breakers, or a complete no-start condition — all signs of a capacitor that can no longer deliver the required starting surge.

• Specs: OEM-matched microfarad (MFD) rating | Factory-specified voltage rating | Designed for compressor start-assist duty | Built to exact Carrier factory tolerances
• OEM vs Generic: This OEM capacitor is manufactured to Carrier's precise specifications, ensuring correct MFD tolerance (±3%) and rated voltage. Generic alternatives often carry a looser ±10% tolerance, which can stress the compressor motor and shorten equipment life.
• Install Difficulty: 3/5 — Always disconnect power and safely discharge the old capacitor before handling. Tools needed: multimeter, insulated screwdriver, 1/4" nut driver, and needle-nose pliers. Photograph all wiring connections before removal. If in doubt, consult a licensed HVAC technician.
• Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our warehouse.

Compatibility: Engineered as a direct OEM drop-in replacement for the Carrier PH4ANG042000BCAA heat pump. Always verify the MFD and voltage ratings on your unit's data plate before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you purchase — just reach out!