Copeland Scroll ZR21K5E-PFV-830 3 Phase Scroll Compressor - 20,200-27,500 BTUThe Copeland Scroll ZRK5 compressor has been built upon the proven Copeland Scroll platform and over 30 years of scroll technology development. Features Legacy Copeland Scroll fixed speed compressor Compatible with R 22, R 134A, and R 407C refrigerants Compact, Lightweight and Durable Low Sound & Vibration from Smooth Scroll Movement Approved for Low Pressure Applications Copeland ZR21K5E PFV 830 3 Phase Scroll Compressor 20,200 27,500 BTU SKU ZR21K5E