Upper housing insulation 11 De Dietrich 83584041

For size 11 boilers, the upper housing insulation provides essential thermal protection for the top section. This boiler spare part helps keep heat inside the unit, improving overall efficiency and reducing strain on the system. Ideal for boiler maintenance and repair, it is a practical choice for replacing old or damaged insulation. Compatible with various burner spare parts, this upper housing insulation supports long-lasting performance and energy savings.