2 Ton Two Stage Split-System Communicating Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 14, EER: 13.5, Stage: Two, Refrigerant: R410A, Connection Size: 3/8"X3/4", Connection Type: Sweat, Factory Charge: 6.63 lbs, Type: Air, Dimensions: 38-15/16''H x 31-3/16''W x 31-3/16''D, Weight: 212 lbs **Compatible With Observer Communicating Units** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***