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Countersunk mounting holes with color matching Philips posi-drive screws
* 2602 - Square or rectangular spring actuated (6) for horizontal or vertical mount
1 for each end)
Ceiling opening must be 4” larger in length and width than the nominal duct size
Provides 4-way air flow on one plane
4" Horizontal/Vertical Mount Fire Damper 2634-48X36 Commercial Countersunk mounting holes with colorh3. 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
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