Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton 27"H-W 5.75"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 27 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 27"H-W 5.75"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 27 in H

The Dayton 27"H-W 5.75"L Aluminum Backdraft Damper (SKU 3G-OTH-76418) is a wall-mount backdraft damper designed for use with a 24-inch fan. It features a single-panel, flat blade design with a horizontal airflow…

SKU 3G-OTH-76418

Brand
Dayton
Item
27"H-W 5.75"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 27 in H
Category
Wall-Mount Backdraft Dampers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
Single Panel, 27 in W
D
2 1/2 in
H
27 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
2500 fpm

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dayton 27"H-W 5.75"L Aluminum Backdraft Damper (SKU 3G-OTH-76418) is a wall-mount backdraft damper designed for use with a 24-inch fan. It features a single-panel, flat blade design with a horizontal airflow direction and vertical mounting position, supporting a maximum air velocity of 2500 fpm.

Frequently Asked Questions

What is the Dayton 3C308 backdraft damper used for?

The Dayton 3C308 backdraft damper is used to prevent reverse airflow in ventilation systems. It mounts vertically on a wall and works with a 24-inch fan, allowing air to flow horizontally in one direction while closing automatically when the fan stops.

What are the specifications of the Dayton 3C308 backdraft damper?

The Dayton 3C308 is a single-panel, flat-blade backdraft damper with a 27-inch height, 27-inch width, and 2 1/2-inch depth. It supports a maximum air velocity of 2500 fpm, mounts vertically, and directs airflow horizontally. The blade type is flat, and the brand is Dayton.

Where to buy the Dayton 3C308 backdraft damper worldwide?

You can source the Dayton 3C308 backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the damper reaches your facility reliably.

How to install the Dayton 3C308 backdraft damper?

Install the Dayton 3C308 damper in a vertical wall opening sized for a 24-inch fan. Ensure the airflow direction arrow points away from the fan. Secure the frame with appropriate fasteners and seal edges to prevent air leaks. Follow standard HVAC damper installation practices.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Related products

More from Dayton

View all Dayton parts
51"H-W 5.75"L Alu Wall Vent Shutter: For 48 in Fan, Double Panel, 51 in H, 51 in W, 2 1/2 in D, Wall (MPN 1C211)
Dayton
51"H-W 5.75"L Alu Wall Vent Shutter: For 48 in Fan, Double Panel, 51 in H, 51 in W, 2 1/2 in D, Wall (MPN 1C211)
39"H-W 6.5"L Extrd Alu Backdraft Dampr: For 36 in Fan, Single Panel, 39 in H, 39 in W, 3 in D, Wall (MPN 4FZH9)
Dayton
39"H-W 6.5"L Extrd Alu Backdraft Dampr: For 36 in Fan, Single Panel, 39 in H, 39 in W, 3 in D, Wall (MPN 4FZH9)
42"H-W 5.75"L Aluminum Exhaust Shutter: For 36 in Fan, Double Panel, 42 in H, 42 in W, 2 1/4 in D (MPN 45C666)
Dayton
42"H-W 5.75"L Aluminum Exhaust Shutter: For 36 in Fan, Double Panel, 42 in H, 42 in W, 2 1/4 in D (MPN 45C666)
54"H-W 5.75"L Aluminum Wall Shutter: For 48 in Fan, Double Panel, 54 in H, 54 in W, 2 1/2 in D, Wall (MPN 53DR15)
Dayton
54"H-W 5.75"L Aluminum Wall Shutter: For 48 in Fan, Double Panel, 54 in H, 54 in W, 2 1/2 in D, Wall (MPN 53DR15)
23"H-W 6.5"L Extrd Alu Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D, Wall (MPN 4FZH6)
Dayton
23"H-W 6.5"L Extrd Alu Backdraft Dampr: For 20 in Fan, Single Panel, 23 in H, 23 in W, 3 in D, Wall (MPN 4FZH6)
33"H-W 5.75"L Alu Wall Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H, 33 in W, 3 in D, Wall (MPN 2FTX1)
Dayton
33"H-W 5.75"L Alu Wall Backdraft Dampr: For 30 in Fan, Single Panel, 33 in H, 33 in W, 3 in D, Wall (MPN 2FTX1)
63"H-W 6 1/4"L Alum Wall Fan Shutter: For 60 in Fan, Double Panel, 63 in H, 63 in W, 2 1/2 in D (MPN 3C116)
Dayton
63"H-W 6 1/4"L Alum Wall Fan Shutter: For 60 in Fan, Double Panel, 63 in H, 63 in W, 2 1/2 in D (MPN 3C116)
57"H-W 5 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D (MPN 3HHP1)
Dayton
57"H-W 5 1/4"L Aluminum Backdraft Damper: For 54 in Fan, Double Panel, 57 in H, 57 in W, 3 in D (MPN 3HHP1)