2" Vertical Mount Fire Damper 2533-20X8

2" Vertical Mount Fire Damper 2533-20X8h3. Standard Features * 2533 Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. * 2534 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 29h. * UL and California State Fire Marshall approved * 2" thinline frame * 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

Countersunk mounting holes for flush appearance with stainless sheet metal screws

2750 Install Instructions

Square to round 2" collar with roll formed retention bead

accepts 6"-16" collar (collar by others)

Standard Features * Lightweight Aluminum vent louver * This is a larger version of the 4901 series * Flush face * Spring clip mounting * Able to withstand wet and corrosive environments * Easily installed using only a high grade silicon caulk * Satin Anodized finish Options * IS - Insect screen * Standard Color or Designer Color Finish available on this product

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 18" Duct Opening(front blades parallel to shortest dimension)

3/16” crossbars

Single deflection transition box mount spiral pipe grille

SUBMITTALS 845 Series Submittal

Blades are parallel to the shortest dimension

Step down core designed for 4-way uniform air distribution

Collar sizes available in 6”–10”