4 1/4" Vertical Mount Fire Damper 2601-40X40 Smoke-Fire Damper 7/8” Wide x 7/8” High

7/8” Wide x 7/8” High square holes

375 Series Submittal

Extended sleeve (2751)

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

4 1/4" Vertical Mount Fire Damper 2601-40X40 Smoke-Fire Damper 7/8” Wide x 7/8” Highh3. 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