Naturzugkessel Defro Firewood Plus 12 kW Sonde Thanks to its stability and

Thanks to its stability and precise dimensions

100 degrees Celsius

suitable system components such as buffer storage tanks

The Vacupellet requires a footprint of 35 x 35 cm on the day container

increases the safety and efficiency of combustion

Naturzugkessel Defro Firewood Plus 12 kW Sonde Thanks to its stability andProduct Overview & Application The Defro Firewood Plus 12 kW is a hand fed natural draft boiler for split logs, designed for hot water heating systems with a buffer tank. It is suitable for heating systems that use solid biomass in the form of natural split logs and where the system is professionally integrated into a closed heating system. Technology & Equipment The boiler body is constructed as a water carrying steel structure with multiple flue gas