4 Ton "Ultra High Efficiency" Two-Stage Split-System Heat Pump, Volts:208/230, Hertz:60, Phase:1, Seer:16, Refrigerant:R-410A, Connection Size:3/8" X 7/8", Connection Type: Sweat, Design Pressure Lo/Hi:250/550 Psig, Type:Air Source, Dims:45-1/4"H X 31-3/4"W X 31-3/4"D, Net Weight:261 Lbs, In Mfg Box, Made In Mexico ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***