Type B Fire Dampers Vertical and Horizontal
SKU#:
Type B Fire Dampers
SKU#:
Type B Fire Dampers
Note: When the damper or damper assembly exceeds either 48” in width or 60” in height, the retaining angles should not be less than 1 1/2” x 1 1/2” x 1/8” thick and should be attached to the sleeve using 20 1/4” x 3/4” round head stove bolts at 8” on C. 1” long welds or No. 14 x 3/4” sheet metal screws at the same spacing.
Note: Type A & Type B Fire Dampers are non-standard dampers and are not-returnable and cannot be cancelled.