Our Rio S model has been a favorite among our customers for many years thanks to its classic and particularly timeless design. With a wide range of cladding options, you can choose between Steel, Natural Stone, or Ceramic for this Stove. The Rio S can be operated either with firewood or with our electricity-free Pellet System Inserts KO2 S and KO2 XL.
Request productRio S Steel, Stove made of steel
Data and facts
Technical data
| measurements (cm) | H x W x D 103 x 65 x 51,5 cm | 
| combustion chamber | H x W x D 30 x 37 x 29 cm | 
| fire glass | H x W 47,5 x 34 cm | 
| fire door | H x W 58,5 x 45 cm | 
| total weight | 175 kg | 
| chamotte bricks | 26 kg | 
Data for firewood
| nominal heat output | 7,9 kW | 
| efficiency | 81 % | 
| heating capability | 70 - 250 m³ | 
| amount of fuel | 2,48 kg/h | 
| fire duration | up to 5 h | 
| heat release | up to 12 h | 
| flue gas flow volume | 8,45 g/s | 
| exhaust °C (nozzle) | 265 °C | 
| min/max feed press. | 12 / 15 Pa | 
| CO (13%O2) | ≤ 1250 mg/m³ | 
| dust (13%/O2) [mg/m³] | ≤ 40 mg/m³ | 
| NOx (13%O2) | ≤ 200 mg/m³ | 
| OGC (CxHy) (13%O2) | ≤ 120 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 10 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/m³] | 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 13 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/m³] | 30 mg/m³ | 
| NOx (13%O2) | 110 mg/m³ | 
| OGC (CxHy) (13%O2) | 51 mg/m³ | 
Distances to combustible walls / components
| wall distance, rear | 30 cm | 
| wall distance, rear | 20 cm | 
| distance to the front | 100 cm | 
- Flue pipe connection Ø 15 upwards ↑
 - Outside air connection Ø 10 horizontal → or vertical ↓ possible (Please specify when ordering)
 
Compatible pellet system inserts
Accessories
Downloads
Downloads
Perfection in Detail
Max Blank High-Quality Products are crafted to perfection down to the smallest detail. See for yourself!