The BBM is a fixed position damper used to balance draft in a boiler connector. It is used when multiple heating appliances are connected to a single, common chimney. For chimneys using slip connections.
The manually operated positioning handle is used to set the damper position. A locknut is used to fix the position.
Available Sizes (ID) | 6" to 36" (150mm to 900mm) |
Connections | Male/male |
Material | Stainless Steel 316L |
Temperature Rating | 1400°F (760°C) / 1800°F (980°) intermittent |
Warranty | 2-year Factory Warranty |
Listing/Certification | UL 378 Standard for Draft Equipment ULC/ORD-C378 |