The largest Free Flow model has an efficiency of 87% due to the heat exchanger on the back of the stove. A very efficient combustion + a very efficient convection (= distribution of heat) through the smart construction of the large steel pipes on the outside.
Energy efficiency class A
Heating capacity:
With good room insulation - approx. 1130 m³.
With average room insulation - approx. 860 m³.
With insufficient room insulation - approx. 640 m³.
Depth 145.0 cm
The width is 71.0 cm
Height 90.0 cm
Total weight 323 kg
Depth combustion/burning chamber 74.0 cm
Recommended log length: 25 cm × 2 (2 side by side – 4 in total)
The width of the combustion chamber 48.0 cm
Height combustion chamber 37.0 cm
Flue gas pipe coupling Ø 18 cm
Air inlet connection Ø 10 cm
Approx. Height middle Flue gas pipe coupling 65.0 cm
Height middle air inlet 21.5 cm
Distance to combustible materials - back 30 cm
Side next to the stove 20 cm
Side up to 40 cm for the stove 50 cm
The front from the display window is 120 cm
Nominal heat capacity 30 kW
Supply pressure 12 Pa
Exhaust temperature at the nozzle 229 ° C
Flue gas mass flow 21.5 g / s
Efficiency 87%
CO (bez. 13% O2) 0.09%
CO (bez. 13% O2) 1125 mg / m3
Damm (bez. 13% = 2) 26 mg / m3
NOx / bez. 13% O2) 108 mg / m3