Door insulation rear sp. 6&7 el. De Dietrich 94250221

Specifically for boilers with 6 and 7 elements, this rear door insulation is engineered to fit the specialized door configuration of those models. It provides a snug fit to prevent heat escape and protect the door structure from thermal stress. Replacing this insulation during routine boiler maintenance can significantly enhance energy efficiency and extend the life of the unit. A reliable choice for technicians seeking quality boiler spare parts.