The small gas boiler THERMONA THERM PRO 14 XZ.A offers the possibility of heating water in an external tank and in the hot water system it works in the same way as boilers intended only for heating. The heating of the external tank is ensured by an integrated three-way valve, which is part of the wall-mounted boiler. The boiler is intended for buildings with a heat loss of up to 14.0 kW.