Product information(All in one heat pump-RS-60-2TG)Tongyi R&D and manufactures and sells Residential All in one Heat Pump Water Heater for many years, This mini-all in one type-RS-60-2TG is highly recommended for domestic use,esp for 2 persons family. Working Condition: -7 TO 43 C Power Supply:220V/1PH/50HZ Input Power: 1752W Rated Heat Capacity: 6650W/22477BTU Running Current:8A Hot Water Yield: 143L/H Water Storage Volume: 60L Water Tank Material: Automotive metal plate spray finishing Compressor Brand: Panasonic Cop: Up to 4 Refrigerant: R417A/R410A Product Dimension:993*463*890mm