2 Ton "High Efficiency" Variableminus;Speed Heat Pump With Observer Communicating Control System,Voltage:208-230,Hertz:60,Phase:1,Refrigerant:R-410A,SEER:18,Metering Device: EXV(Electronic Expansion Valve For Precise Heating Control,Connection Type: Sweat,Connection Size:3/8" X 3/4",Dims:38-1/2"H X 23-1/8"W X 23-1/8"D, Weight:181 Lbs, Made in USA Thermostat: TSTAT0201CW - Sold Seperately Compatible With Observer Communicating Units