... .1 5.9 7.1 Rated Temp.Of Water Output°C55Power SupplyV/PH/Hz220/1/50220 ... modular structure is the best choice and suitable for various sizes of engineering, office buildings, hotels, restaurants, ... problem of the water system freezing in cold weather,, particularly suitable for cold areas.Air to Water Heat ... : Heating, Cooling and Sanitary Hot Water Air to water heat pump water heater for domestic hot ...