4 1/4" Horizontal/Vertical Mount Fire Damper 2602-28X28 past 12 months 855 Series Engineering/Performance Data

855 Series Engineering/Performance Data

Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments

Nylon bushings on adjustable blades to prevent metal on metal rattle

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Standard Features * Double deflection aluminum wall or ceiling register * Heavy gauge aluminum frame * Individually adjustable extruded aluminum airfoil blades * Allows for spot or normal air diffusion * Hidden mounting mechanism * White Options: * Standard Color or Designer Color Finish available on this product

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-28X28 past 12 months 855 Series Engineering/Performance Datah3. 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