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Dayton 33"H-W 6.5"L Extrd Alu Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 33"H-W 6.5"L Extrd Alu Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H

The Dayton 4FZH8 is a wall-mount backdraft damper with a single-panel extruded aluminum flat blade design. It measures 33 inches in height, 33 inches in width, and 3 inches in depth, and is intended for use with a…

SKU 3G-OTH-76502

Brand
Dayton
Item
33"H-W 6.5"L Extrd Alu Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4FZH8
Type
Single Panel, 33 in W, Wall
D
3 in
H
33 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
3250 fpm
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 4FZH8 is a wall-mount backdraft damper with a single-panel extruded aluminum flat blade design. It measures 33 inches in height, 33 inches in width, and 3 inches in depth, and is intended for use with a 30-inch fan. The damper is designed for vertical mounting with horizontal airflow direction and a maximum air velocity of 3250 fpm.

Frequently Asked Questions

What is the Dayton 4FZH8 backdraft damper used for?

The Dayton 4FZH8 is a wall-mount backdraft damper that prevents reverse airflow when the fan is off. It is used in industrial ventilation systems to maintain one-way horizontal airflow, typically with a 30-inch fan, protecting equipment and maintaining air quality.

What are the specifications of the Dayton 4FZH8 backdraft damper?

The Dayton 4FZH8 is a single-panel extruded aluminum flat-blade damper, 33 in H x 33 in W x 3 in D. It mounts vertically, handles horizontal airflow, and supports a maximum air velocity of 3250 fpm. It is designed for use with a 30-inch fan.

Where to buy the Dayton 4FZH8 backdraft damper worldwide?

3G Electric supplies the Dayton 4FZH8 backdraft damper to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site, ensuring you receive the correct part for your ventilation system.

How to install a Dayton 4FZH8 backdraft damper?

Install the Dayton 4FZH8 damper vertically in a wall opening sized for a 30-inch fan, ensuring the blades open with horizontal airflow. Secure the frame with appropriate fasteners and seal edges to prevent air leaks. Always follow local codes and the fan manufacturer's guidelines.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton 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.

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