Combined Water Heater is intended for water heating through two energy sources. First source is the boiler water from the central heating system of heating on solid, liquid and gas fuel, and second source is the electrical energy. Upon the request of the customers we produce additional pipe exchanger for using solar energy through solar collector. Tank and pipe exchanger with all connectors are made of stainless steel with welding technology. Flange opening for electric heater is intended for cleaning of water heater. Outer sheath of water heater is made of cold-rolled steel sheet painted with base paint and varnish.