4 1/4" Vertical Mount Fire Damper 2633-30X28 past 12 months Please Contact Us For Quantity

Please Contact Us For Quantity Pricing

HVL Series Submittal

remove the two center cones as a unit and reposition the six screws

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 14" Duct Opening (front blades parallel to shortest dimension)

2 position adjustment for heating and cooling seasons

4 1/4" Vertical Mount Fire Damper 2633-30X28 past 12 months Please Contact Us For Quantityh3. 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