4 1/4" Vertical Mount Fire Damper 2633-14X14 Commercial Surface mount fixed blade grille

Surface mount fixed blade grille with airfoil blades at 0°

sizes T-20 Tamper Proof Screws SUBMITTAL 903 Series Submittal PERFORMANCE DATA 903 Series Engineering/Performance Data REVIT FILES Surface Mount Aluminum Supply Diffuser Double Deflection front Long with Damper Surface Mount Aluminum Supply Diffuser Double Deflection front Long

Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws

Nylon bushings on adjustable blades to prevent metal on metal rattle

Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers

4 1/4" Vertical Mount Fire Damper 2633-14X14 Commercial Surface mount fixed blade grilleh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion