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Out of Wall

Models 1221-OW, and 1221-DOW

Models 1221-DOW and 1221-OW are "out of wall" high performance combination fire/smoke damper specifically designed for applications where the damper cannot be installed within the plane of the wall

or floor. They features Nailor’s unique inter-locking double skin airfoil blade design that eliminates combustible seals and provides flame and smoke seal under fire conditions at temperatures up to 2000°F (1093°C)! Model 1221-DOW is designed for ducted through penetrations where as Model 1221-OW is designed for applications that terminate at a grille and provide easy actuator access.

Models

1221-DOW - 1 ½ Hour • Airfoil Blade • Out of Wall
1221-OW - 1 ½ Hour • Airfoil Blade • Out of Wall, Grille Mount

Submittals

All Submittals Combined

Control Accessories

IOM

Performance Data

Catalog

Catalog Pages

Literature

Combination Fire/Smoke Dampers