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Dayton 22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H

The Dayton 5NKN5 is a wall-mount backdraft damper designed for use with a 20-inch fan. It features a single-panel, flat blade design with a height and width of 22.75 inches and a length of 4.5 inches, constructed…

SKU 3G-OTH-76258

Brand
Dayton
Item
22.75"H-W 4.5"L Aluminum Backdraft Dampr: For 20 in Fan, Single Panel, 22 3/4 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
5NKN5
Type
Single Panel, 22 3/4 in W
H
22 3/4 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2250 fpm
View Full Spec Sheet

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 5NKN5 is a wall-mount backdraft damper designed for use with a 20-inch fan. It features a single-panel, flat blade design with a height and width of 22.75 inches and a length of 4.5 inches, constructed from aluminum. The damper is mounted vertically and allows horizontal airflow at a maximum air velocity of 2250 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 5NKN5 backdraft damper used for?

The Dayton 5NKN5 is a wall-mount backdraft damper used to prevent reverse airflow in ventilation systems. It is designed for use with a 20-inch fan, allowing horizontal airflow while blocking backdrafts when the fan is off, making it suitable for exhaust or intake applications in industrial and commercial settings.

What are the specifications of the Dayton 5NKN5 damper?

The Dayton 5NKN5 is a single-panel, flat blade backdraft damper with a height and width of 22.75 inches and a length of 4.5 inches. It is made of aluminum, mounts vertically, directs airflow horizontally, and supports a maximum air velocity of 2250 fpm. The manufacturer part number is 5NKN5.

Where to buy the Dayton 5NKN5 damper worldwide?

You can source the Dayton 5NKN5 backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide reliable sourcing for this Dayton model.

How to install the Dayton 5NKN5 backdraft damper?

Install the Dayton 5NKN5 damper in a vertical mounting position with the airflow direction set horizontally. Ensure the damper is securely fastened to the wall or duct opening for the 20-inch fan. The flat blade design allows gravity-assisted closing; verify free movement of the blade to prevent sticking.

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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