20 in 23"H-W 5.75"L Aluminum Backdraft Damper, 20-1/2 in x 20-1/2 in, Aluminum MPN:4C559
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Free Shipping
In Stock
SKU
510-G0257677
20 in 23"H-W 5.75"L Aluminum Backdraft Damper, 20-1/2 in x 20-1/2 in, Aluminum
This 20-inch aluminum backdraft damper from Dayton is a reliable solution for preventing backdrafts and maintaining a healthy indoor air quality. With a maximum air velocity of 2500 fpm, it effectively regulates airflow in commercial and residential HVAC systems. Its durable aluminum frame and 0.8-inch thickness ensure long-lasting performance. The damper's compact design makes it ideal for installations where space is limited. Suitable for use in various applications, including commercial kitchens, laboratories, and industrial facilities, this backdraft damper helps prevent air leaks, reduces energy consumption, and minimizes the risk of fires and health hazards.
Top product features:
- Provides backdraft protection to prevent air from entering or leaving the duct system.
- Has a maximum air velocity of 2500 fpm, allowing for efficient airflow management.
- Features a square rough opening diameter of 20 1/2 in, providing a secure fit for standard duct sizes.
Top product applications:
- Backdraft
- For Nominal Duct Diameter Not Applicable
- Not Applicable
23 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.3 sq ft, Overall Width 23 in, Frame Material Thickness 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in
Additional Information
- Country of Origin: US
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 23.50
- Package Width: 3.40
- Package Height: 24.10
- Package Weight: 6.30
Product info last updated on February 4, 2026 6:04pm UTC
Category: Ventilation