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This is the OEM-specified single run capacitor for the Payne PA1ZNA024000ACAA split-system air conditioner, carrying factory part number P291-1503. A single run capacitor maintains a continuous phase-shifted electrical current to keep either the compressor or condenser fan motor running at peak efficiency once started. When this component degrades or fails, you'll typically notice symptoms such as a loud humming or buzzing from the outdoor unit, a fan or compressor that won't start, intermittent short-cycling, or a system that trips the breaker shortly after startup. Replacing this capacitor with the correct OEM part restores factory-rated motor performance and protects your compressor from damaging voltage irregularities.
Compatibility & Ordering: This capacitor is the direct OEM replacement for Payne model PA1ZNA024000ACAA (2-ton single-stage split-system condenser). Before ordering, confirm the MFD and voltage rating stamped on your existing capacitor or unit data plate to ensure an exact match. Have questions about fitment? Our HVAC parts specialists verify compatibility before every order — in stock and ready to ship today.