4 Ton Single Stage Split-System Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department Energy Guide SEER2: 14.3, Stage: Single, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 222 oz, Type: Air, Dimensions: 36-7/16''H x 35-1/2''W x 35-1/2''D, Weight: 272 lbs ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***