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Dayton 21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H

The Dayton 4C558 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 21 inches high by 21 inches wide with a 2.5-inch depth, and is…

SKU 3G-OTH-76217

Brand
Dayton
Item
21"H-W 5.75"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4C558
Type
Single Panel, 21 in W
D
2 1/2 in
H
21 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 4C558 is a wall-mount backdraft damper with flat blades, designed for horizontal airflow in a vertical mounting position. It measures 21 inches high by 21 inches wide with a 2.5-inch depth, and is constructed of aluminum for use with an 18-inch fan. The damper supports 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 4C558 backdraft damper used for?

The Dayton 4C558 is a wall-mount backdraft damper that prevents reverse airflow in ventilation systems. It is designed for horizontal airflow in a vertical mounting position, commonly used with an 18-inch fan in commercial or industrial exhaust applications.

What are the specifications of the Dayton 4C558 backdraft damper?

The Dayton 4C558 measures 21 inches high by 21 inches wide with a 2.5-inch depth. It features flat aluminum blades, supports a maximum air velocity of 2500 fpm, and is designed for horizontal airflow in a vertical mounting position. The manufacturer part number is 4C558.

Where to buy the Dayton 4C558 backdraft damper worldwide?

3G Electric supplies the Dayton 4C558 backdraft damper worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Dayton 4C558 backdraft damper?

Install the Dayton 4C558 in a vertical mounting position with the airflow direction horizontal. Secure the damper to the wall or duct opening, ensuring the blades open freely with airflow. Follow standard HVAC practices for sealing and support 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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