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The genuine OEM Lennox 19F82 is a Copeland ZP36K6E-TFD scroll compressor rated at 3 tons for 460V three-phase applications. This R-410A Copeland Scroll unit forms the heart of your Lennox commercial or light-commercial condensing system, compressing and circulating refrigerant with the efficiency, durability, and quiet operation the ZP-series is known for.
Common failure symptoms: signs of a failing three-phase compressor include a unit that hums but won't start, tripped breakers or blown fuses, no cooling or warm discharge air, loud mechanical knocking, and overheating that trips the internal overload. Shorted, open, or grounded windings, phase imbalance damage, and locked-rotor conditions typically mark end of life.
Why OEM matters: the factory-specified 19F82 ensures the correct 460V three-phase electrical rating, 3-ton capacity, and R-410A compatibility your Lennox equipment was built around. OEM replacement guards against phasing and voltage mismatches, preserves rated system efficiency, and helps maintain warranty coverage — critical safeguards that generic compressors can't reliably match.