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The Lennox 11C49 is a genuine OEM ZR32K5E-TFD-800 scroll compressor rated at 32,600 BTU/h, designed for 460V three-phase R-22 systems. As the heart of your outdoor condensing unit, the compressor circulates and pressurizes refrigerant to drive the entire cooling cycle. This factory-matched replacement delivers the exact capacity, electrical characteristics, and mounting profile Lennox engineered for your equipment.
Common failure symptoms: The unit runs but fails to cool, the compressor hums or clicks without starting, it trips the breaker or overload on startup, produces loud grinding or rattling noises, or short-cycles repeatedly. Burnt terminals and tripped internal thermal protection are also signs the compressor has reached end of life.
Why OEM matters: Scroll compressors are precision-matched to a system's refrigerant charge, superheat, and electrical design. Installing the correct Lennox 11C49 ensures rated efficiency, proper oil compatibility, and warranty compliance — generic substitutes risk premature failure, poor cooling, and voided coverage. For R-22 systems, an exact OEM match is especially important given refrigerant phase-out constraints.