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Fire and Smoke Dampers
    · Installation Instructions - 471 & 472
    · Installation Instructions - Model D-175
    · Installation Instructions - Models 771 & 772 OP
    · Installation Instructions - Smoke Damper
    · Installation Instructions-Fire & Smoke
    · Model 471 - Corridor F/S Class 1
    · Model 472 - Corridor F/S Class 2
    · Model 621 - Smoke Class 1
    · Model 622 - Smoke Class 2
    · Model 662 - Aluminum Airfoil Smoke
    · Model 682 - Galvanized Airfoil Smoke Class 2
    · Model 771 & 771-3 Class 1
    · Model 771 OP out of wall
    · Model 772 & 772-3 Class 2
    · Model 772 OP out of wall
    · Model 772M & 772M-3 - Modulating Class 2
    · Model 781 & 781-3 Airfoil Blade Class 1
    · Model 782 & 782-3 - Airfoil Blade Class 2
    · Operation and Maintenance
 
 
 
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