TAMCO Install Types
1 7/8" front flange
- Front Flange install type backdraft dampers are manufactured with a 1 7/8" (47.6 mm) flange at the front and a 5/8" flange at the back.
- ¼" (6.4 mm) is deducted from the opening dimensions to allow for clearance. This affects the effective flange.
TAMCO Medium-Duty Backdraft Damper Installation Guidelines