The Riello 40 GS series comprises of four models which cover an output range of
9,500 to 200,000 kcal/h (11 to 232 kW). Their specially designed combustion
heads, ensure a perfect gas and air mix. The Riello 40 GSD series burners are
available in two model structures with an output range from 11 to 232 kW Their
two stage operation results in energy savings, and complete with fully closing air
damper when the burner is at rest, it achieves maximum efficiency of the plant.