DC motor board 4-speed INN-FRA10 De Dietrich 7795981

This DC motor board 4-speed INN-FRA10 provides reliable speed control for burner fans, featuring four selectable speeds to match combustion air requirements. It is commonly used in heating equipment to regulate airflow, improving efficiency and reducing emissions. A direct replacement for the original board, it helps restore proper burner modulation and extends the life of your system.