Grundfos Up Comfort DHW pump Specifically designed for the circulation of domestic hot water within the DHW distribution system. The Grundfos Up Comfort PM 15-14-B 1X230V pump is made for installation in systems with a return pipe, which allows the instantaneous supply of hot water throughout the installation. The power consumption of the pump is reduced to only 5 to 8 W. The pump casing is made of brass, with a high resistance to corrosion and approved for potable water applications. The pump features insulated casings to minimize heat loss. For quick and easy installation, the pump features the easy-to-use COMFORT PM plug.