Wood burning insert firebox with a total heat output of 23 kW. The spatial heat output of the stove is 5 kW, which is enough to heat a room of 25 m2 . The heat output of the water jacket boiler is 18 kW, which is suitable for 4-5 radiators or a total are of 110 m2. It comes with a cast iron grate on the bottom and an ashtray allowing for easy cleaning of the residue.