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Dayton 39"H-W 5 1/4"L Aluminum Backdraft Damper: For 36 in Fan, Double Panel, 39 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 39"H-W 5 1/4"L Aluminum Backdraft Damper: For 36 in Fan, Double Panel, 39 in H

The Dayton 39"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3HHN9) is a wall-mount backdraft damper designed for a 36-inch fan. It features flat blades, a double-panel construction, and measures 39 inches in height, 39…

SKU 3G-OTH-76620

Brand
Dayton
Item
39"H-W 5 1/4"L Aluminum Backdraft Damper: For 36 in Fan, Double Panel, 39 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
3HHN9
Type
Double Panel, 39 in W
D
3 in
H
39 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 39"H-W 5 1/4"L Aluminum Backdraft Damper (SKU 3HHN9) is a wall-mount backdraft damper designed for a 36-inch fan. It features flat blades, a double-panel construction, and measures 39 inches in height, 39 inches in width, and 3 inches in depth. The damper supports horizontal airflow with a vertical mounting position and a maximum air velocity of 2500 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 3HHN9 backdraft damper used for?

The Dayton 3HHN9 backdraft damper is used to prevent reverse airflow in ventilation systems, typically mounted on walls for 36-inch fans. It allows air to exit horizontally while blocking backflow, making it suitable for exhaust applications in commercial or industrial buildings.

What are the specifications of the Dayton 3HHN9 backdraft damper?

The Dayton 3HHN9 is a wall-mount backdraft damper with flat blades, double-panel construction, and dimensions of 39 inches high by 39 inches wide by 3 inches deep. It supports horizontal airflow, vertical mounting, and a maximum air velocity of 2500 fpm. The brand is Dayton.

Where to buy the Dayton 3HHN9 backdraft damper worldwide?

You can source the Dayton 3HHN9 backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring the damper reaches your facility efficiently.

How to install the Dayton 3HHN9 backdraft damper?

Install the Dayton 3HHN9 damper in a vertical position on a wall, aligning it with a 36-inch fan opening. Ensure the airflow direction is horizontal and the damper is securely fastened. Follow standard HVAC practices for sealing and testing to prevent air leakage.

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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