Fan Shutter 20 1/2 In MPN:1C745

This model is a rear flanged general purpose exhaust shutter. The blades have a galvanized steel reinforcement strip across the top of each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Ideal for use with direct-drive or belt-driven exhaust fans.

Technical Specifications

• Item Backdraft Damper / Wall Shutter
• Fits Fan Dia. 20 in
• Shutter Overall Size 23 in x 23 in
• Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods
• Shutter Opening Required 20-1/2 in x 20-1/2 in
• Shutter Free Area 2.281 sq ft
• Shutter Mounting Position Vertical
• Shutter Mounting Location Wall
• Shutter Item Backdraft Damper / Wall Shutter
• Frame Depth 2 1/2 in
• Open Depth 5 3/4 in
• Flange Width 1 1/2 in
• Mounting Hole Size Prepunched
• Max. Velocity 2500 FPM
• Blade Material Mill Finish Aluminum
• For Use With Vertical Mounted Exhaust Fans
• Number of Panels 1

Manufacturer Details

• Manufacturer: Dayton
• Condensed Mfg Number: 1C745
• MPN: 1C745

Label Details

• Hazardous Material: N
• Green Material Flag: N
• Country of Origin: US
• CA Prop 65 Wht Label: N

Classification Details

• Harmonization Code: 8414901080
• GDS Category Name: Shutters
• GDS Family Name: Shutters Dampers and Louvers
• GDS Segment Name: HVAC and Refrigeration
• UNSPSC: 40101504
• UNSPSC Class ID: 15
• UNSPSC Commodity Name: Ventilation
• UNSPSC Commodity ID: 04
• UNSPSC Commodity Name: Ventilation dampers
• UNSPSC Family ID: 10
• UNSPSC Family Name: Heating and ventilation and air circulation
• UNSPSC Segment ID: 40
• UNSPSC Segment Name: Distribution and Conditioning Systems and Equipment and Components

Shipping Details

• Not For Sale In: HI AK PR