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Holzvergaserkessel ATTACK SLX 20 LAMBDA Touch 20 kW Regelthermostat 5% Seasonal space heating energy Ausführung:550 × Ø33 mm · DN 40 (1 1 2") 5% Seasonal space heating energy efficiency 79% Energy efficiency class A+ Energy efficiency index EEI 117 Boiler class Class 5 Maximum log length 650 mm Flue gas temperature at rated load 165 °C Required chimney draft 23 Pa Flue pipe connection 150 mm Flow and return G 6 4 inch Maximum operating overpressure 2 geeignet für Attack SLX Profi Lambda 20 35 kW This allows the combustion air to be automatically adapted to the respective operating state a safety valve
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