The boiler model Sunsystem ВВ S1M is offered from 80, 100, 120 to 200 litres. The boiler with a coil and casing provides for a possibility of combining two independent thermal sources for heating / boiler and solar system / and an electric heater in water container of small capacity. Due to the additional integrated electric heater, there are three sources of energy. They are offered form 80 to 200 litres, model ВВ, bottom ф 520 mm. They are made with enameled or Cr-Ni water containers. The enameled ones are secured with anode protection to provide many years of operation. The boilers are offered both in vertical and horizontal executions. The ones with horizontal execution have leads for hot and cold water turned to the right as per standard. They can also be produced with leads turned to the left upon request.