The BBF 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 1/2" flanged 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)|
|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