4" Round Vertical Mount Fire Damper 2649-12 past 12 months View or print our product

View or print our product information sheet

Steel construction

w/ Steel Opposed Blade Damper

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 14" Duct Opening (front blades parallel to shortest dimension)

UL listed and tested in accordance with UL Standard 555

4" Round Vertical Mount Fire Damper 2649-12 past 12 months View or print our producth3. Standard Features * 2649 Round damper for vertical mount only. Available 4" thru 52" round. * 2650 Round spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 52" round. * 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 mild steel (G 90) * Self locking