naturzugkessel defro firewood plus 12 kw Zubehör Cooling air temperature

Cooling air temperature

and the factory pre-charge pressure

the precise hot water control ensures accurate temperature distribution and optimal water stratification in the buffer tank

manual switching unit for pellet

you can conveniently monitor and adjust boiler operation remotely without having to enter the boiler room

naturzugkessel defro firewood plus 12 kw Zubehör Cooling air temperatureProduct 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