Features: colour: grey, body material: steel, body colour: grey, disc shape: straight, cladding material: steel, natural stone, cladding colour: grey, cladding elements: tea compartment, tea compartment: yes, wood compartment: yes, ash grate: vibrating grate, ash container: yes, combustion compartment liner: vermiculite, door lock: 1 point technology. Functions time fire: yes. Primary air supply: yes. Secondary air supply (self-cleaning disc): yes. Tertiary air supply: yes. Technical data: efficiency: 80.3 / 78.6 percent. Nominal heat output: 8 kW min. Heating power: 4 kW max. Heating power: 8.3 kW max. Room heating capacity at time fire DIN 18893: 182 m³ max. Exhaust gas mass flow: 7.9 g/s max. Exhaust gas temperature spout: 295 ° C required delivery pressure at nominal heat output: 12 Pa design: A1 (oven with self-closing combustion chamber door) approved fuels: wood, wood briquettes, lignite briquettes, firewood CO2 emission: 1.079 g/m³ dust content: 35 mg/m³. Pipe connection details Flue pipe diameter: 150 mm, pipe connection: top, rear, height from bottom edge to middle, rear flue pipe socket: 894 mm, depth from rear edge to centre, flue pipe socket top: 110 mm, oven height: 120.8 cm, oven width: 55 cm, oven depth: 40 cm, weight: 120 kg, combustion chamber height: 42 cm, combustion chamber width: 32 cm. 7 cm FeuRoom depth: 25 cm max. Burning material length: 33 cm, disc height: 43 cm, disc width: 34 cm, safety distance to flammable materials at the front: 80 cm