The wall convector is characterised by its optimum ease of use. It is equipped with a large, easily readable display. The desired room temperature can be set on the control panel from + 5 to + 30 °C in 0.5 °C steps. Other smart functions of the unit include a weekly timer with two preset and one individually programmable time program, adaptive control as a learning function for reaching the comfort temperature at the exact time during timer operation, and "open window detection" to avoid wasting energy. The wall convector WKL is surrounded by a resistant metal housing.