4 Ton Two Stage Geothermal Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Configuration: Vertical, Return Air Option: Left Return, EER: 25.2, Stage: Two, Motor Type: ECM, Refrigerant: R410A, Metering Device: TXV, Factory Charge: 75 oz, Water Loop - Cooling BTU: 50,500/Heating BTU: 60,300, Ground Water - Cooling BTU: 56,900/Heating BTU: 49,200, Ground Loop - Cooling BTU: 51,800/Heating BTU: 38,200, Connection Size: 1", Dimensions: 54''H x 24-1/2''W x 33-3/10''D, Weight: 340 lbs ***Large dent to bottom panel on back of unit***