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Ships within 48 hours · Estimated delivery Oct 18 - Oct 23
are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Steel multi-shutter damper * Soft White Options * 845 O - steel lever operated opposed blade damper * Tamper proof screws * Standard Color
Provides 4-way air flow on one plane
700 CB20 - two way
Ceramic fiber blade installation with fiberglass cover*
Minimum size 4"x4"
4" Horizontal/Vertical Mount Fire Damper 2634-48X28 T-Bar are enclosed in the valveh3. 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
