2025-03-28 00:00:00 The automatic regulation is controlled by a microprocessor control unit which compares the current combustion status with the "Combustion Process Optimisation" program and, based on the evaluation, regulates the amount of air in the combustion chamber by means of an electronically controlled air flap. Automatic combustion control EHC - Optimises the combustion process according to the flue gas temperature to maximise combustion efficiency. - Prevents product overheating.