400 de la porte supérieure - 300 / 350 De Dietrich 300004543

This upper door for model CA 400-300/350 is a direct replacement part for heating equipment enclosures. It allows easy access to the interior for servicing while maintaining proper insulation and safety. Designed to fit the specified dimensions, it is a reliable component for boiler or burner maintenance, helping to keep the system in good working order.