The Arrco AR42KP-BFV is a 3.5-ton scroll compressor designed for HVAC systems that use R-22 refrigerant and operate on 208–230V single-phase power. It works by compressing refrigerant vapor, increasing its pressure and temperature before circulation through the refrigeration cycle to support heat transfer. This compressor is suitable for compatible air conditioning units and heat pump... https://www.partshnc.com/ar42kp-bfv-arrco-3-5-ton-scroll-compress-r-22-208-230-1-ph