5 Ton Two Stage Split-System Communicating Compatible Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER2: 16.2, Stage: Two, Refrigerant: R410A, Connection Size: 3/8"X1-1/8", Connection Type: Sweat, Factory Charge: 239 oz, Type: Air, Dimensions: 41-5/8''H x 35-1/2''W x 35-1/2''D, Weight: 315 lbs **Compatible With Comfortbridge Technology Units** ****Unit Requires 7 Pin Terminal Block for Non-Communicating Installation, Terminal Block IS Included, MFG Part number: 0130M00485****