Mask for gas valve Ac/3 De Dietrich 721394300

This mask for gas valve Ac/3 is a protective or sealing component designed to fit the Ac/3 gas valve. It may serve to shield the valve from debris, provide insulation, or ensure a proper seal in the gas train. As a spare part, it helps maintain the integrity and functionality of the gas valve, contributing to safe and efficient burner operation. Whether you are servicing a boiler or replacing worn parts, this mask is a useful accessory for your heating equipment.