0.5 Ton Packaged Water Cooled Geothermal Heat Pumps, Volts: 208/230, Hertz: 60, Phase: 1, Airflow:Horizontal(Return-Right/Supply-Left Straight), Refrigerant: R-410A, Max Water Pressure:400 PSI, GPM:2, Water Connection:3/4" FPT, Water Loop:6800 Cooling/ 8800 Heating 15.7 EER, Ground Water:8400 Cooling/7000 Heating 25.1 EER, Ground Loop:7400 Cooling/5100 Heating 18.5 EER, Dimensions:17"H 24"W 46"D, Weight:165 Lbs, Origin:USA