Indirectly heated storage tanks for the production and store of domestic hot water, usually the heat exchanger is normally hydraulically connected to a boiler, a heated buffer tank or a solar system. The UNO-W series, which can be ordered from 80 liters to
200 liters, with an increased, high-performance 3kW heating insert from 120 liters, the external thermostat is standard.

The tank has a cleaning flange on which it can be made the periodic maintenance. The internal protection of the tank is provided by a high-quality ceramic enamel coating. The insulation is made of flexible polyurethane foam with a powder-coated sheet covering. About cathode protection in storage magnesium anode is provided. The internal heat exchanger is fixed (welded) coil which are enamelled together with the tank.

The maximum permissible operating pressure of the tank is 7 bar, the heat exchanger can be used with a maximum pressure of 10 bar. Its maximum operating temperature is 85°C.