De Dietrich 88017842 AD128 MB2 module

The De Dietrich 88017842 (AD128 MB2) module is an original modular control board designed to ensure reliable, efficient, and safe operation of De Dietrich heating boilers. The board performs key control functions: managing and initiating the ignition system, controlling circulation pumps, receiving and processing signals from temperature and pressure sensors, and transmitting data to the user interface and diagnostic modules. Factory assembly and strict quality control ensure high accuracy in signal processing and proper execution of embedded control algorithms. This module is suitable for replacing faulty electronics or restoring system functionality after diagnostics. Installation must be carried out by a qualified technician with the power turned off and all safety precautions observed. Before installation, it is strongly recommended to verify the part number 88017842 and version AD128 MB2 with your boiler’s documentation or service manual. MB2 (AD128) priority module for DHW for De Dietrich DTG X series boilers. Compatible models: GT 210K GT 300K GT 500K DTG 220K DTG 320K