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