Kołnierz przeciw 400 – 500 / 600 De Dietrich 300004610

The counter flange for ca 400-500/600 is a heavy-duty mounting plate used to attach burners to larger boilers. It ensures a precise fit and stable connection, critical for efficient combustion and safety. This flange is built to handle the demands of industrial and commercial heating systems, offering durability and resistance to thermal expansion. Whether you are replacing an old flange or installing a new burner, this part provides a reliable interface between burner and boiler.