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This is the genuine OEM start capacitor (part number P281-1766) factory-specified for the Carrier PH4ANG030000BAAA heat pump system. The start capacitor delivers a high-torque electrical boost to the compressor motor at the moment of startup, then drops out of the circuit once the motor reaches operating speed. When this capacitor weakens or fails, the compressor struggles to start, draws excessive amperage, or shuts off entirely — often triggering a hard-start fault or tripping a breaker. Replacing it promptly protects your compressor from costly damage.
Compatibility: Designed for the Carrier PH4ANG030000BAAA heat pump. Always verify the MFD rating and voltage on your unit's data plate before ordering to confirm correct fitment. Our team is standing by to verify compatibility before you buy — reach out with any questions and we'll get you the right part, fast.