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The Bonn Combination Stove impresses with its timeless and simple design, as well as a wide range of cladding options. The Bonn is available in Steel, Stone, and Ceramic variants. The stove can be operated either with firewood or with our electricity-free Pellet System Inserts KO2 S and KO2 XL.
Bonn Steel, Stove made of steel
Data and facts
Technical data
| measurements (cm) | H x B x T 106 x 65,5 x 56,5 cm |
| combustion chamber | H x B x T 30 x 37 x 29 cm |
| fire glass | H x B 42 x 34 cm |
| fire door | H x B 58 x 50 cm |
| total weight | 150 kg |
| chamotte bricks | 26 kg |
Data for firewood
| nominal heat output | 6,5 kW |
| output range | 6,5 - 3,3 kW |
| efficiency | 83% |
| heating capability | 70 - 250 m³ |
| amount of fuel | 2,9 kg / h |
| fire duration | up to 5 h |
| heat release | up to 9 h |
| flue gas flow volume | 10,3 g/s |
| exhaust °C (nozzle) | 268 °C |
| min/max feed press. | 12 / 15 Pa |
| CO (13%O2) | 1074 mg/m³ |
| CO (13%O2) | 0,086 % |
| dust (13%/O2) [mg/m] | 31 mg/m³ |
| NOx (13%O2) | 110 mg/m³ |
| OGC (CxHy) (13%O2) | 51 mg/m³ |
Data for Pellet System Insert KO2 S
| nominal heat output | 7,5 kW |
| output range | 7,5 - 5 kW |
| efficiency | 87% |
| heating capability | 50 - 150m³ |
| amount of fuel | 3,8 kg |
| fire duration | up to 2,5 h |
| heat release | up to 7 h |
| flue gas flow volume | 8,97 g/s |
| exhaust °C (nozzle) | 180 °C |
| min/max feed press. | 12 / 15 Pa |
| CO (13%O2) | 1166 mg/m³ |
| CO (13%O2) | 0,093 % |
| dust (13%/O2) [mg/m] | 36 mg/m³ |
| NOx (13%O2) | 109 mg/m³ |
| OGC (CxHy) (13%O2) | 54 mg/m³ |
Data for Pellet System Insert KO2 XL
| nominal heat output | 11 kW |
| output range | 11 - 8,5 kW |
| efficiency | 85% |
| heating capability | 70 - 250 m³ |
| amount of fuel | 7,5 kg |
| fire duration | up to 5 h |
| heat release | up to 9 h |
| flue gas flow volume | 10,74 g/s |
| exhaust °C (nozzle) | 230 °C |
| min/max feed press. | 12 / 15 Pa |
| CO (13%O2) | 880 mg/m³ |
| CO (13%O2) | 0,070 % |
| dust (13%/O2) [mg/m] | 30 mg/m³ |
| NOx (13%O2) | 110 mg/m³ |
| OGC (CxHy) (13%O2) | 41 mg/m³ |
Distances to combustible walls / components
| wall distance, rear | 15 cm (20 cm at Pelletbox XL) |
| wall distance, side | 15 cm |
| distance to the front | 80 cm |
- Flue pipe connection Ø 15 upwards ↑
- Outside air connection Ø 10 horizontal → or vertical ↓ possible (Please specify when ordering)