De Dietrich 88055599 MB2 PCB (control board)

The De Dietrich 88055599 (MB2) board is an original modular control board designed to ensure stable and safe operation of De Dietrich heating boilers. The board manages the main components: the ignition system, circulation pumps, temperature and pressure sensors, and also interfaces with the user panel and diagnostic modules. Thanks to factory assembly and strict quality control, the unit ensures accurate signal processing and precise operation of the control algorithms. This board is suitable for replacing a faulty original electronic unit or restoring system functionality after diagnostics. Installation must be performed by a qualified technician with the power turned off and all safety precautions observed. Before installation, it is recommended to verify the 88055599 part number and MB2 version against your boiler’s documentation.