9KW CHIEF FURNACE Technical information Nominal heat output 9 KW Combustion chamber depth 54 cm Log length up to 53 cm Door diameter 25 cm Exhaust nozzle 120 mm Length : 76 cm Width : 58 cm Height : 82 cm Weight 130 kg Space heating capacity : up to 200 m³ (depending on the insulation) Fuels : Logs 2nd stage BImSchV More details Self-closing door (suitable for multiple occupancy) Finish : Door with glass pane Data related to 13 % O 2 : Efficiency : 81.1 % CO : 1250 mg/m³ Particulate matter : 34 mg/m³ NOx 118 mg/m³ OGC 51 mg/m³ CnHm 48 mg/m³ Exhaust gas temperature : 290 ° C Exhaust mass flow : 8.1 m (g/s) Minimum delivery pressure : 12 Pa Test report no. RRF-40081656 Rhein Ruhr Fireplace Testing Centre Minimum distance to flammable material 30 cm on the sides to the back 20 cm forward 100 cm Made in Germany Integrated base Front, back and top plate made of 6 mm steel Fire plates made of 6 mm steel – replaceable