Bullerjan FreeFlow FF18 type 04
Bullerjan stoves FreeFlow FF18. With patented combustion technology. The FreeFlow FF18 stoves type 03 with 20 kW and type 04 with 30 kW are designed for heating large rooms.Type 03 heats approx. 580 m³ with average room insulation, type 04 even approx. 860 m³. With good room insulation, the heat output even increases considerably.
These large furnaces are now also tested and certified in accordance with BImSchV Stage 2 in Germany, Article 15a B-VG in Austria and the Swiss Clean Air Act.
Approved for operation with 30 kW
|Energy efficiency class||A+|
|W / H / D||71 cm / 90 cm / 149 cm|
|Total weight||323 kg|
|Depth of combustion chamber||74 cm|
|Exhaust gas nozzle ø||18 cm|
|Air supply nozzle ø||10 cm|
|Height centre exhaust gas nozzle||approx. 65 cm|
|Height centre air supply||approx. 21.5 cm|
|Distance to combustible materials (sides / bottom / front / back)||65 cm / 0 cm / 140 cm / 75 cm|
|Dust (13% O2)||26 mg/m3|
|CO content (13 % O2)||1125 mg/m3|
|Mean exhaust gas temperature||229 °C|