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Dayton 23"H-W 5 1/4"L SS Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 23"H-W 5 1/4"L SS Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H

The Dayton 4FZJ7 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 23 inches high, 23 inches wide, and 2 inches deep, with a maximum air…

SKU 3G-OTH-77327

Brand
Dayton
Item
23"H-W 5 1/4"L SS Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4FZJ7
Type
Single Panel, 23 in W, Horizontal
D
2 in
H
23 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2500 fpm
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 4FZJ7 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 23 inches high, 23 inches wide, and 2 inches deep, with a maximum air velocity of 2500 fpm. This single-panel damper is intended for use with a 20-inch fan.

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 4FZJ7 backdraft damper used for?

The Dayton 4FZJ7 is a wall-mount backdraft damper used to prevent reverse airflow in ventilation systems. It is designed for horizontal airflow with a vertical mounting position, typically paired with a 20-inch fan in industrial exhaust or intake applications.

What are the specifications of the Dayton 4FZJ7 damper?

The Dayton 4FZJ7 is a single-panel, flat-blade backdraft damper measuring 23 inches high, 23 inches wide, and 2 inches deep. It handles a maximum air velocity of 2500 fpm, with horizontal airflow direction and vertical mounting position.

Where to buy the Dayton 4FZJ7 worldwide?

3G Electric supplies the Dayton 4FZJ7 backdraft damper worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Dayton 4FZJ7 backdraft damper?

Install the Dayton 4FZJ7 damper in a vertical mounting position with the airflow direction set to horizontal. Ensure the damper frame is securely fastened to the wall or duct opening, and that the flat blades move freely to prevent backdraft.

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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