Isolation des portes, arrière 4 - 5. De Dietrich 94250185

For boilers with 4 to 5 elements, the rear door insulation plays a vital role in containing heat within the combustion chamber. This specific insulation piece is tailored to fit the rear section of the door, ensuring a tight seal and reducing thermal bridging. Replacing worn or damaged insulation helps maintain consistent heating efficiency and prevents overheating of surrounding parts. Ideal for routine boiler maintenance, this component supports the longevity of your heating equipment.