4 1/4" Vertical Mount Fire Damper 2633-20X8 Residential Registers & Grilles 104 P - four way

104 P - four way * Square to round No Labor Collar * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 104 P D - multi-shutter damper with hinged perforated face * 104 P O - steel opposed blade damper with hinged perforated face * 104 P FR - U

3/16” crossbars

850 Series Submittal

Fractional Sizes

To adjust diffuser

4 1/4" Vertical Mount Fire Damper 2633-20X8 Residential Registers & Grilles 104 P - four wayh3. 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