Outside air intake for BNR 100, SLV 100 B Intercal 88.20135-2106

Outside air intake is designed for BNR 100 and SLV 100 B boilers. The device supplies combustion air from outside the room, improving boiler safety and efficiency. It is mounted on an external wall and connected to an air duct. Use of an outside air intake is mandatory for sealed combustion chambers.