This is the smallest air to water heat pump model in the Mitsubishi Electric Ecodan range the PUZ-WM50VHA, it can provide both heating and domestic hot water. This is a mono block air to water heat pump with the water heat exchanger built into the outdoor unit, so you effectively have just the hot water outlet and return directly from the outdoor unit. This is the latest model with ultra quiet noise levels. The unit includes the latest FTC6 controller and the items listed in the highlights section. Please see the brochure below for more details.