Dayton 23"H-W 6.5"L Extrd Alu Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H
The Dayton 4FZH6 is a wall-mount backdraft damper with extruded aluminum flat blades, designed for a 20-inch fan. It features horizontal airflow direction and vertical mounting, with a maximum air velocity of 3250…
SKU 3G-OTH-76326
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Product Description
The Dayton 4FZH6 is a wall-mount backdraft damper with extruded aluminum flat blades, designed for a 20-inch fan. It features horizontal airflow direction and vertical mounting, with a maximum air velocity of 3250 fpm. The single-panel unit measures 23 inches high, 23 inches wide, and 3 inches deep.
Frequently Asked Questions
What is the Dayton 4FZH6 backdraft damper used for?
The Dayton 4FZH6 is a wall-mount backdraft damper that prevents reverse airflow when a 20-inch fan is off. It is used in industrial ventilation systems to maintain one-way horizontal airflow, protecting equipment and maintaining air quality in facilities worldwide.
What are the specifications of the Dayton 4FZH6 backdraft damper?
The Dayton 4FZH6 is a single-panel, wall-mount backdraft damper with extruded aluminum flat blades. It measures 23 in H x 23 in W x 3 in D, mounts vertically, handles horizontal airflow, and supports a maximum air velocity of 3250 fpm. It is designed for a 20-inch fan.
Where to buy the Dayton 4FZH6 backdraft damper worldwide?
3G Electric supplies the Dayton 4FZH6 backdraft damper to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote tailored to your location.
How to install the Dayton 4FZH6 backdraft damper?
Install the Dayton 4FZH6 damper vertically on a wall opening matching its 23 in x 23 in dimensions. Ensure the airflow direction arrow points horizontally away from the fan. Secure the frame with appropriate fasteners and seal edges to prevent air leaks. Follow standard industrial damper installation practices.
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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.













