Dayton 15"H-W 5 1/4"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 15 in H
The Dayton 3HHN5 is a wall-mount backdraft damper with a single-panel, flat blade design. It measures 15 inches high by 15 inches wide by 3 inches deep, with a 5 1/4-inch length, and is designed for use with a…
SKU 3G-OTH-75778
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Product Description
The Dayton 3HHN5 is a wall-mount backdraft damper with a single-panel, flat blade design. It measures 15 inches high by 15 inches wide by 3 inches deep, with a 5 1/4-inch length, and is designed for use with a 12-inch fan. This aluminum damper supports horizontal airflow in a vertical mounting position, with 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 3HHN5 backdraft damper used for?
The Dayton 3HHN5 is a wall-mount backdraft damper designed to prevent reverse airflow in ventilation systems. It is used with a 12-inch fan, allowing horizontal airflow in a vertical mounting position. Common applications include commercial exhaust, intake systems, and industrial ventilation where one-way airflow is critical.
What are the specifications of the Dayton 3HHN5 backdraft damper?
The Dayton 3HHN5 is a single-panel, flat blade aluminum damper measuring 15 inches high by 15 inches wide by 3 inches deep, with a 5 1/4-inch length. It supports horizontal airflow, mounts vertically, and handles a maximum air velocity of 2500 fpm. The brand is Dayton, part number 3HHN5.
Where to buy the Dayton 3HHN5 backdraft damper worldwide?
The Dayton 3HHN5 backdraft damper is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this Dayton part.
How to install the Dayton 3HHN5 backdraft damper?
Install the Dayton 3HHN5 damper in a vertical wall opening, ensuring the airflow direction arrow matches horizontal flow. Secure the frame with appropriate fasteners, and verify the flat blade moves freely. For best performance, mount it directly to the 12-inch fan duct and seal edges to prevent leakage.
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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.













