Dayton 23"H-W 5 1/4"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 23 in H
The Dayton 23"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3HHN8) is a wall-mount backdraft damper designed for use with a 20-inch fan. It features a single-panel flat blade design, measures 23 inches in height, 23…
SKU 3G-OTH-76315
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Product Description
The Dayton 23"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3HHN8) is a wall-mount backdraft damper designed for use with a 20-inch fan. It features a single-panel flat blade design, measures 23 inches in height, 23 inches in width, and 3 inches in depth, and supports horizontal airflow with a vertical mounting position. The damper has a maximum air velocity of 2500 fpm.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Dayton 23"H-W 5 1/4"L Aluminum Backdraft Damper used for?
This Dayton backdraft damper is used to prevent reverse airflow in ventilation systems. It mounts vertically on a wall and works with a 20-inch fan, allowing air to flow horizontally in one direction while closing automatically when the fan stops.
What are the specifications of the Dayton 3HHN8 backdraft damper?
The Dayton 3HHN8 damper has a single-panel flat blade design, measures 23 inches high by 23 inches wide by 3 inches deep, and supports horizontal airflow. It mounts vertically and handles a maximum air velocity of 2500 fpm.
Where to buy the Dayton 3HHN8 backdraft damper worldwide?
3G Electric supplies the Dayton 3HHN8 backdraft damper to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this and other industrial ventilation components.
How to install a Dayton wall-mount backdraft damper?
Install the Dayton damper in a vertical position on a wall opening sized for a 20-inch fan. Ensure the airflow direction arrow points away from the fan. Secure the frame with appropriate fasteners and seal the perimeter to prevent air leaks.
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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.













