Water heater with heat exchanger between inlet and outlet branches

摘要

The storage tank has an inlet branch for central heating water supply, and an outlet branch for heating water return flow. The two branches are coupled by a heat exchange element, and the tank has a cold water and a hot water union.The storage tank has a top hot water outlet branch and contains inside a jacketed tube with a top outlet aperture. In the jacketed space between the tube walls is located a tubular heat exchange element, whose inlet and outlet branches are coupled to the supply and return pipes of the heating installation.