6 Ton Heat Recovery Variable Refrigerant Flow System Outdoor Unit, Heat Recovery Systems Can Heat And Cool Spaces Simultaneously, Volts:208/230, Hertz:60, Phase:3, Refrigerant:R410A, Inverter Compressor, LRA:150, RLA:34/30.5, EER:15.6, Heating Capacity:81,000 BTU, Liquid Line Size:1/2", High/Low Pressure Gas Line:7/8", Low Pressure Gas Line:1-1/8", Direct Drive, Overall Dims:68-1/8"H X 37-7/8"W X 31-7/32"D, Weight:540Lbs, Origin:USA, Indoor Unit (Not Included)