4 1/4" Horizontal/Vertical Mount Fire Damper 2602-48X28 T-Bar 1 1/2 hour fire resistance

1 1/2 hour fire resistance rating

For damper free area chart A click here * 2563 - Out-of-Airstream fire door

2500/2600 Installation Instructions

12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U

060 T6 extruded aluminum construction * Bar grille designed to conceal filter * Hand operated lever for easy filter access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 915 2 FG - 2" filter spacing (filter not included) * 915 TFG - T-Bar mount * Standard Color

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-48X28 T-Bar 1 1/2 hour fire resistanceh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized