The self-fired waste heat boiler from Bosch is equipped with a firing system and an additional integrated flue gas tube to utilise waste heat efficiently. The boiler is ideal for combining with combined heat and power units or gas turbines. By utilising waste heat sources, heating and process heat can be generated in a particularly environmentally friendly and economical way. The firing system increases the security of supply and offers flexible use with various fuels, including gas, oil, biogas or hydrogen. The waste heat boiler from Bosch is a future-proof solution, increases energy efficiency and reduces CO2 emissions.