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Dayton 21"H-W 6"L Aluminum Wall Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 21"H-W 6"L Aluminum Wall Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H

The Dayton 2C521 is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel, flat blade construction with a horizontal airflow direction and vertical mounting position. The…

SKU 3G-OTH-76155

Brand
Dayton
Item
21"H-W 6"L Aluminum Wall Backdraft Dampr: For 18 in Fan, Single Panel, 21 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
2C521
Type
Single Panel, 21 in W
D
2 1/4 in
H
21 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2000 fpm
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 2C521 is a wall-mount backdraft damper designed for use with an 18-inch fan. It features a single-panel, flat blade construction with a horizontal airflow direction and vertical mounting position. The damper measures 21 inches in height, 21 inches in width, and 2 1/4 inches in depth, with a maximum air velocity of 2000 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 2C521 wall-mount backdraft damper used for?

The Dayton 2C521 is a wall-mount backdraft damper designed to prevent reverse airflow when an 18-inch fan is not operating. It is commonly installed in commercial or industrial ventilation systems to maintain one-way horizontal airflow and protect against drafts, debris, and pests.

What are the specifications of the Dayton 2C521 backdraft damper?

The Dayton 2C521 is a single-panel, flat-blade damper measuring 21 inches high, 21 inches wide, and 2 1/4 inches deep. It mounts vertically, handles horizontal airflow, and supports a maximum air velocity of 2000 fpm. The manufacturer part number is 2C521.

Where to buy the Dayton 2C521 backdraft damper worldwide?

3G Electric supplies the Dayton 2C521 backdraft damper to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote tailored to your location.

How to install the Dayton 2C521 wall-mount backdraft damper?

Mount the Dayton 2C521 vertically on a wall opening, ensuring the airflow direction arrow matches the fan's discharge. Secure the frame with appropriate fasteners and seal edges to prevent air leaks. The flat blades should swing freely; test operation before finalizing the installation.

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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