Naturzugkessel Defro Firewood Plus 19 kW Vaillant The integrated cleaning mechanism for

The integrated cleaning mechanism for the heat exchanger supports proper maintenance of the boiler

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

Such as the Easy Control function

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

Änderungen an der internen Verkabelung sind laut Handbuch nicht zulässig

Naturzugkessel Defro Firewood Plus 19 kW Vaillant The integrated cleaning mechanism forProduct 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