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Dayton 12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H

The Dayton 4HX73 is a wall-mount backdraft damper designed for use with a 10-inch fan. It features a single-panel flat blade design, measures 12.75 inches in height and width with a 4.5-inch length, and is…

SKU 3G-OTH-75617

Brand
Dayton
Item
12.75"H-W 4.5"L Aluminum Backdraft Dampr: For 10 in Fan, Single Panel, 12 3/4 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4HX73
Type
Single Panel, 12 3/4 in W
H
12 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 4HX73 is a wall-mount backdraft damper designed for use with a 10-inch fan. It features a single-panel flat blade design, measures 12.75 inches in height and width with a 4.5-inch length, and is constructed of aluminum. The damper is mounted vertically and handles 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 4HX73 backdraft damper used for?

The Dayton 4HX73 is a wall-mount backdraft damper that prevents reverse airflow when the fan is off. It is used with a 10-inch fan in ventilation systems, typically in commercial or industrial exhaust applications where horizontal airflow and vertical mounting are required.

What are the specifications of the Dayton 4HX73 backdraft damper?

The Dayton 4HX73 has a single-panel flat blade design, measures 12.75 inches high by 12.75 inches wide with a 4.5-inch length, and is made of aluminum. It handles horizontal airflow at a maximum air velocity of 2250 fpm and mounts vertically. The manufacturer part number is 4HX73.

Where to buy the Dayton 4HX73 backdraft damper worldwide?

3G Electric supplies the Dayton 4HX73 backdraft damper to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote for your region.

How to install the Dayton 4HX73 backdraft damper?

Install the Dayton 4HX73 damper vertically in the ductwork or wall opening, ensuring the airflow direction arrow matches the fan's exhaust flow. Secure the damper frame with screws and seal edges to prevent air leaks. The flat blades open automatically with fan operation and close by gravity when the fan stops.

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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