4 Ton Two Stage Split-System Communicating Compatible Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER2: 17, Stage: Two, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 195 oz, Type: Air, Dimensions: 41-5/8''H x 35-1/2''W x 35-1/2''D, Weight: 276 lbs **Compatible With One+ Communicating Units** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***