Main board IQK 30-40 De Dietrich 7716773

The Main board IQK 30-40 is a central control unit for managing the functions of compatible heating systems. It processes signals from sensors and user inputs to regulate burner operation, temperature, and safety features. Designed for models in the IQK 30-40 range, this board is a critical replacement part for restoring full functionality to boilers and burners.