lg.475 d'arc réfractaire De Dietrich 300009191

The refractory arch lg.475 is a longer version designed for larger combustion chambers, providing effective flame guidance and heat reflection. At 475mm, this arch helps maintain stable combustion temperatures and protects surrounding boiler parts from excessive heat. Ideal for use in industrial or high-capacity heating units, it is a critical spare part for burner maintenance. Installing this arch can enhance boiler performance and prolong the life of your heating equipment.