The base is intended for VIADRUS U22 and U26 boilers - 5 to 7 components. Thanks to the robust design of the base, the heating system will be perfectly stable. The base is welded from high-quality 5mm steel with cast-iron doors. The universal burner is installed in the base. The base is 55 cm high. The water base above the burner is connected with the rear of the cast-iron body.