Nestler multi-fuel fired boilers offer excellent features of large grate area and furnace volume, no refractory work, open bottom design of the firebox and balanced draught, large steam and water volumes, efficient combustion and compatibility with diverse fuels such as coal, lignite, husk and coffee waste briquettes and other agro fuels. They offer substantial user benefits like a low down-time for repair, reduction in soot deposition, availability of dry steam and easy construction.