The Bullerjan classic! Proven quality - Made in Germany. 10kW with patented combustion technology! ---------- The FreeFlow is a highly effective, reliable, safe and durable heater, which can even be used as a stand-alone heater due to its warm air function. Different power classes (6.8 - 14.2 kW) allow its use in small, but also in very large rooms. The new model FreeFlow FF17 looks purely visually unchanged - as it has for 40 years. And it remains the same. However, the combustion chamber has changed and with this model, thanks to the partial lining with high-quality vermiculite, it enables modern, contemporary clean combustion even without a catalytic converter. You get to the furnace a round arch and a connecting pipe as part of the furnace. Various linings and platforms make the FreeFlow not only a reliable, but also a visually appealing device. The FreeFlow is also available with all types in the "Basic" version. In this version, the furnace comes completely without heat-protective covers. When installing it is only necessary to observe a side distance of 70 cm.