The Mitsubishi Electric PUZ-HWM140YHA rated at 14Kw is the largest air to water heat pump in the Ecodan range, this is the three phase 415 volt electrical supply model. The heat pumps offer a reliable heating and DHW solution for a wide variety of properties and will operate down to an outside temperature of -25 °c, ensuring you’re heating and hot water needs will work even in the coldest winters.