4 Ton AC Scroll Compressor, Volts: 208-230, Hertz: 60, Phase: 1, Capacity: 51,000 BTU, LRA: 134, Refrigerant: R410A, Oil Type: Polyolester, Connection Size: Liquid-1/2"; Gas-7/8", Connection Type: Sweat, Stage: Single, Height: 16-23/50'' H, Base Dims: 9-20/29'' W X 9-23/50'' D, Weight: 75.9 lbs