Dayton 25"H-W 6"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H
The Dayton 53DR20 is a wall-mount backdraft damper with a single-panel, flat blade design. It measures 25 inches in height and width with a 2 1/4-inch depth, and is intended for use with a 20-inch fan. The unit is…
SKU 3G-OTH-76335
Need installation or engineering help?
Ask a question
Product Description
The Dayton 53DR20 is a wall-mount backdraft damper with a single-panel, flat blade design. It measures 25 inches in height and width with a 2 1/4-inch depth, and is intended for use with a 20-inch fan. The unit is designed for vertical mounting with horizontal airflow, and has a maximum air velocity of 2000 fpm.
Frequently Asked Questions
What is the Dayton 53DR20 backdraft damper used for?
The Dayton 53DR20 is a wall-mount backdraft damper designed to prevent reverse airflow in ventilation systems. It is commonly used with a 20-inch fan in commercial or industrial exhaust applications where horizontal airflow and vertical mounting are required.
What are the specifications of the Dayton 53DR20?
The Dayton 53DR20 is a single-panel, flat blade backdraft damper measuring 25 inches high by 25 inches wide with a 2 1/4-inch depth. It has a maximum air velocity of 2000 fpm, mounts vertically, and directs airflow horizontally. The manufacturer part number is 53DR20.
Where to buy the Dayton 53DR20 worldwide?
The Dayton 53DR20 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the damper reaches your facility reliably.
How to install the Dayton 53DR20 backdraft damper?
Install the Dayton 53DR20 in a vertical wall opening with the airflow arrow pointing in the intended exhaust direction. Secure the damper frame to the wall structure using appropriate fasteners, ensuring the blades open freely with horizontal airflow. Follow standard HVAC installation practices for best results.
Used in
Common applications for DaytonDayton Products
3G Electric supplies Dayton wall-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













