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This is the genuine OEM Carrier start capacitor (part number P281-1766), factory-specified for the Carrier PH15NA04200GBAAA heat pump system. The start capacitor provides the high-voltage surge of energy required to kick the compressor into motion during each cooling or heating cycle. Without a functioning start capacitor, the compressor motor struggles to reach operating speed, leading to hard-start attempts, tripped breakers, or complete compressor lockout. If your system is humming but not starting, repeatedly tripping the breaker, or failing to cool or heat, a failed start capacitor is one of the first components to inspect and replace.
Compatibility: Designed as the direct OEM replacement for the Carrier PH15NA04200GBAAA heat pump. Always verify the MFD rating and voltage on your unit's data plate or existing capacitor before ordering to confirm fitment. Our parts specialists are available to verify compatibility before you buy — just reach out before placing your order.