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The genuine OEM Lennox 98W01 (Copeland ZP44K5E-PFV-830) is a 44,400 BTUH scroll compressor designed for 208/230V, single-phase, R-410A Lennox residential and light-commercial systems. It compresses and circulates refrigerant to drive heat transfer through the condenser and evaporator, delivering your unit's full rated cooling capacity. The scroll design offers smooth, efficient, and quiet operation with fewer moving parts than reciprocating models.
Common failure symptoms: the system fails to cool, the compressor hums but won't start (often a failed start capacitor or hard-start component alongside a bad compressor), tripped breaker or overload, loud knocking or grinding, excessive heat, or short-cycling. Open, shorted, or grounded windings on a multimeter reading confirm the compressor has failed.
Why OEM matters: the 98W01 is matched to Lennox specifications for single-phase 208/230V power, R-410A refrigerant, and internal oil charge. Installing the correct OEM compressor guarantees proper fit and rated efficiency, avoids the electrical and compatibility issues of aftermarket units, and helps preserve your Lennox equipment's warranty and service life.