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Dayton 51 in H x 51 in W Double Panel Wall-Mount Backdraft Damper, 3 in D - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 51 in H x 51 in W Double Panel Wall-Mount Backdraft Damper, 3 in D

The Dayton 51"H-W 5.75"L Aluminum Backdraft Damper (SKU 3G-OTH-76843) is a wall-mount backdraft damper designed for a 48-inch fan. It features flat blades, horizontal airflow direction, vertical mounting position…

SKU 3G-OTH-76843

Brand
Dayton
Item
51 in H x 51 in W Double Panel Wall-Mount Backdraft Damper, 3 in D
Category
Wall-Mount Backdraft Dampers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
Double Panel, 51 in W, Wall
D
3 in
H
51 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2500 fpm

Technical Documents

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 51"H-W 5.75"L Aluminum Backdraft Damper (SKU 3G-OTH-76843) is a wall-mount backdraft damper designed for a 48-inch fan. It features flat blades, horizontal airflow direction, vertical mounting position, and a maximum air velocity of 2500 fpm. The double-panel aluminum construction measures 51 inches in height, 51 inches in width, and 3 inches in depth.

Frequently Asked Questions

What is the Dayton backdraft damper used for?

The Dayton backdraft damper is used to prevent reverse airflow in wall-mounted exhaust systems, typically paired with a 48-inch fan. Its flat blades open under positive pressure and close when airflow stops, making it suitable for commercial or industrial ventilation where one-way horizontal airflow is required.

What are the specifications of the Dayton backdraft damper?

The Dayton is a wall-mount backdraft damper with double-panel aluminum construction. It measures 51 inches high, 51 inches wide, and 3 inches deep. Key specs include flat blades, horizontal airflow direction, vertical mounting position, and a maximum air velocity of 2500 fpm.

Where to buy the Dayton backdraft damper worldwide?

You can source the Dayton backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Dayton components for ventilation systems.

How to install the Dayton backdraft damper?

Install the Dayton damper vertically in a wall opening sized for a 48-inch fan, ensuring the airflow direction arrow points horizontally away from the fan. Secure the frame with appropriate fasteners and seal edges to prevent air leaks. Always follow local building codes and the fan manufacturer's guidelines for safe operation.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
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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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Cross-referenced by specification & description
This wall-mount backdraft damper features flat aluminum blades and is designed for horizontal airflow with vertical mounting. It prevents reverse airflow in ventilation systems, allowing air to flow in one direction only. Suitable for use with fans in exhaust or intake applications, it supports a maximum air velocity of 2500 fpm
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This wall-mount backdraft damper features flat aluminum blades and is designed for horizontal airflow with vertical mounting. It prevents reverse airflow in ventilation systems, allowing air to flow in one direction only. Suitable for use with fans in exhaust or intake applications, it supports a maximum air velocity of 2500 fpm
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This wall-mount backdraft damper is designed for vertical mounting in exhaust or intake systems. It features flat blades that open with forward airflow and close by gravity when flow stops, preventing reverse airflow. Suitable for use with a 30-inch fan, it has a maximum air velocity of 2500 fpm
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This wall-mount backdraft damper is designed for vertical mounting in exhaust or intake systems. It features flat blades that open with forward airflow and close by gravity when flow stops, preventing reverse airflow. Suitable for use with a 30-inch fan, it has a maximum air velocity of 2500 fpm
27"H-W 5.75"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 27 in H, 27 in W, 2 1/2 in D
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Wall-mount backdraft damper with single-panel flat blade design. Measures 15 inches high by 15 inches wide by 2.5 inches deep. Supports horizontal airflow direction and vertical mounting. Maximum air velocity of 2500 fpm. Used to prevent reverse airflow in ventilation systems
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Wall-mount backdraft damper with single-panel flat blade design. Measures 15 inches high by 15 inches wide by 2.5 inches deep. Supports horizontal airflow direction and vertical mounting. Maximum air velocity of 2500 fpm. Used to prevent reverse airflow in ventilation systems
This wall-mount backdraft damper features a single-panel flat blade design for horizontal airflow and vertical mounting. It measures 25 inches high, 25 inches wide, and 2.5 inches deep, with a maximum air velocity of 2500 fpm. Suitable for use in exhaust systems to prevent reverse airflow when the fan is off
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This wall-mount backdraft damper features a single-panel flat blade design for horizontal airflow and vertical mounting. It measures 25 inches high, 25 inches wide, and 2.5 inches deep, with a maximum air velocity of 2500 fpm. Suitable for use in exhaust systems to prevent reverse airflow when the fan is off
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Single-panel backdraft damper for wall-mount vertical installation. Allows horizontal airflow in one direction and prevents reverse flow when the fan is off. Measures 39 inches high by 39 inches wide with a 3-inch depth. Maximum air velocity 2500 fpm
This wall-mount backdraft damper is designed for horizontal airflow in vertical mounting positions. It features a single-panel, flat blade construction and is suitable for use in ventilation systems where one-way airflow is required. Maximum air velocity is 2500 fpm
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This wall-mount backdraft damper is designed for horizontal airflow in vertical mounting positions. It features a single-panel, flat blade construction and is suitable for use in ventilation systems where one-way airflow is required. Maximum air velocity is 2500 fpm
Aluminum wall-mount backdraft damper with single panel flat blade design. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow in exhaust systems when fan is off
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Aluminum wall-mount backdraft damper with single panel flat blade design. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow in exhaust systems when fan is off
This wall-mount backdraft damper features a single-panel flat blade design for horizontal airflow and vertical mounting. It measures 13 inches high by 13 inches wide by 2.5 inches deep, with a maximum air velocity of 2500 fpm. Suitable for exhaust and intake ventilation systems to prevent reverse airflow when the fan is off
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This wall-mount backdraft damper features a single-panel flat blade design for horizontal airflow and vertical mounting. It measures 13 inches high by 13 inches wide by 2.5 inches deep, with a maximum air velocity of 2500 fpm. Suitable for exhaust and intake ventilation systems to prevent reverse airflow when the fan is off
Wall-mount backdraft damper with flat blades for horizontal airflow in vertical mounting position. Single-panel design, 23 in high, 23 in wide, 2 in deep. Maximum air velocity 2500 fpm. Used to prevent reverse airflow in ventilation systems, typically paired with a 20-inch fan
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Wall-mount backdraft damper with flat blades for horizontal airflow in vertical mounting position. Single-panel design, 23 in high, 23 in wide, 2 in deep. Maximum air velocity 2500 fpm. Used to prevent reverse airflow in ventilation systems, typically paired with a 20-inch fan
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