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heat exchanger return
Maximum ambient temperature: 60°C
Such as the Easy Control function
It includes all the essential elements for operating systems up to 30 kW and represents an ideal solution for the technical implementation of your heating concepts
1% Seasonal space heating energy efficiency 79% Energy efficiency class A+ Energy efficiency index EEI 115 Boiler class Class 5 Maximum log length 750 mm Flue gas temperature at rated load 170 °C Required chimney draft 23 Pa Flue pipe connection 150 mm Flow and return G 2 inch Safety heat exchanger Yes Lambda sensor No Maximum operating overpressure 2
Naturzugkessel Defro Firewood Plus 19 kW Vaillant heat exchanger returnProduct Overview & Application The Defro Firewood Plus 19 kW natural draft boiler is a manually fed solid fuel boiler for split logs and use in central hot water heating systems. It is suitable for heating systems where a robust wood boiler with clear technical features, buffer tank connection, and professional integration into a closed heating system is intended. Technology & Features The boiler body is constructed as a multi pass steel structure