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Dayton 13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H

The Dayton 4HX33 is a wall-mount backdraft damper designed for use with a 10-inch fan. It features a single-panel flat blade construction with dimensions of 13.75 inches in height and width, and a 4.5-inch length…

SKU 3G-OTH-75293

Brand
Dayton
Item
13.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 13 3/4 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4HX33
Type
Single Panel, 13 3/4 in W
H
13 3/4 in
Blade Type
Flat Blade
Airflow Direction
Vertical
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 4HX33 is a wall-mount backdraft damper designed for use with a 10-inch fan. It features a single-panel flat blade construction with dimensions of 13.75 inches in height and width, and a 4.5-inch length. This unit is configured for vertical airflow and vertical mounting, with 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 4HX33 backdraft damper used for?

The Dayton 4HX33 is a wall-mount backdraft damper used to prevent reverse airflow in vertical exhaust systems. It is designed for use with a 10-inch fan, allowing air to flow in one direction while closing automatically when the fan stops, protecting against drafts and contaminants.

What are the specifications of the Dayton 4HX33 backdraft damper?

The Dayton 4HX33 has a single-panel flat blade, dimensions of 13.75 inches high by 13.75 inches wide by 4.5 inches long, and a maximum air velocity of 2250 fpm. It is configured for vertical airflow and vertical mounting, with a DAYTON brand part number 4HX33.

Where to buy the Dayton 4HX33 backdraft damper worldwide?

The Dayton 4HX33 backdraft damper is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct DAYTON part for your vertical fan system.

How to install the Dayton 4HX33 backdraft damper?

Install the Dayton 4HX33 damper in a vertical position with airflow direction vertical. Mount it securely to the wall or ductwork connected to a 10-inch fan. Ensure the flat blade moves freely and seals properly when closed. Follow standard HVAC practices for backdraft damper installation 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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