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The genuine OEM Lennox 55W29 is a Copeland ZP39K5E-TFD-830 scroll compressor rated at 39,000 BTUH, 460V, R-410A refrigerant, 3-phase. This compressor is the core of your Lennox outdoor unit, circulating and compressing refrigerant to reject heat and maintain cooling capacity. The proven scroll design provides smooth, energy-efficient performance calibrated to your Lennox system's requirements.
Common failure symptoms: A failing 55W29 may present as the condenser buzzing without starting, repeated breaker trips, warm air from the vents, sharp drops in cooling output, excessive vibration or knocking, or thermal-overload cutouts. Grounded or shorted motor windings and internal seizing are typical causes of replacement.
Why OEM matters: This factory part is built to Lennox's precise capacity, voltage, and refrigerant specifications, guaranteeing the right oil charge, amperage, and BTU output for your equipment. Generic replacements can cause capacity imbalances, oil-return problems, and early failure while jeopardizing your warranty. The OEM 55W29 is the reliable choice to keep your Lennox unit running as designed.