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This is the factory OEM start capacitor (part number P281-1766) for the Payne PA13NR030000AEAA split-system air conditioner. The start capacitor provides the high-voltage electrical boost needed to get the compressor motor spinning from a dead stop. Without a functioning start capacitor, the compressor will hum, trip on thermal overload, or fail to start entirely — leaving your system locked out and unable to cool.
Compatibility: Engineered specifically for the Payne PA13NR030000AEAA 2.5-ton single-stage split-system condenser. Always confirm your unit's data plate capacitor ratings (MFD and voltage) match before installing. Not sure if this is the right part? Our HVAC parts specialists verify fitment before every order — contact us and we'll confirm compatibility at no charge.