Secondary air valve gasket O-42 De Dietrich JJX000925068

This secondary air valve gasket, size O-42, is a sealing component for the air regulation system in burners. It prevents air leaks that could disrupt the combustion process, ensuring proper air-to-fuel ratio. Made from heat-resistant material, it is suitable for high-temperature applications. A vital part for burner maintenance, it helps maintain efficient and clean operation of heating equipment.