Dayton 27"H-W 5 1/4"L SS Backdraft Dampr: For 24 in Fan, Double Panel, 27 in H
The Dayton 4FZJ8 is a wall-mount backdraft damper designed for use with a 24-inch fan. It features flat blades, a horizontal airflow direction, and a vertical mounting position, with a maximum air velocity of 2500…
SKU 3G-OTH-76424
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Product Description
The Dayton 4FZJ8 is a wall-mount backdraft damper designed for use with a 24-inch fan. It features flat blades, a horizontal airflow direction, and a vertical mounting position, with a maximum air velocity of 2500 fpm. The unit measures 27 inches in height, 27 inches in width, and 2 inches in depth, with a double-panel stainless steel construction.
Frequently Asked Questions
What is the Dayton 4FZJ8 backdraft damper used for?
The Dayton 4FZJ8 is a wall-mount backdraft damper that prevents reverse airflow when a 24-inch fan is off. It is used in industrial ventilation systems to maintain one-way horizontal airflow, with flat blades and a vertical mounting position.
What are the specifications of the Dayton 4FZJ8 backdraft damper?
The Dayton 4FZJ8 has a 27 in height, 27 in width, and 2 in depth, with double-panel stainless steel construction. It handles horizontal airflow at up to 2500 fpm, uses flat blades, and mounts vertically for use with a 24-inch fan.
Where to buy the Dayton 4FZJ8 backdraft damper worldwide?
3G Electric supplies the Dayton 4FZJ8 backdraft damper to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this industrial ventilation component.
How to install the Dayton 4FZJ8 backdraft damper?
Mount the Dayton 4FZJ8 vertically on a wall or duct opening, ensuring the airflow direction arrow matches your fan's discharge. Secure the frame with appropriate fasteners and verify the flat blades open freely under fan pressure and close when the fan stops.
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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.


