Buse d'air MB 927 (BNR 22) avec bague d'adaptation (à bride) et vis

Air nozzle MB 927 (BNR 22) with flared adapter ring and screws is designed for BNR 22 series gas burners. The nozzle supplies air to the combustion chamber, and the flared adapter ring improves joint tightness. The kit also includes mounting screws. This spare part is necessary for servicing burners to restore their performance. Suitable for industrial and commercial boilers.