OEM Lennox Copeland Scroll Compressor — 11C45

The genuine OEM Lennox 11C45 Copeland scroll compressor is the core component of your Lennox outdoor unit, compressing and circulating refrigerant to transfer heat and provide efficient, consistent cooling. Leveraging reliable Copeland scroll technology, it runs quietly and smoothly with fewer wear points, offering a factory-matched replacement engineered specifically for Lennox system performance and longevity.

Typical symptoms of a failing 11C45 include the compressor attempting to start but only humming, repeated breaker or overload trips, loud mechanical or electrical noises, insufficient cooling with warm supply air, and continuous running or short-cycling. A grounded winding or a mechanically seized scroll usually confirms that the compressor must be replaced.

Given its role and value, using the OEM 11C45 is the right choice. It is matched to your Lennox unit's tonnage, refrigerant, and electrical requirements, ensuring the proper oil charge, exact fit, and seamless operation with factory start assist and control circuits. A genuine Lennox compressor protects warranty eligibility, guarantees compatibility, and restores rated capacity and efficiency — avoiding the risks of mismatched aftermarket units that can shorten system life.