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Dayton 35 7/8 in W x 30 3/4 in H Aluminum Ceiling/Roof-Mount Backdraft Damper - Ceiling/Roof-Mount Backdraft Dampers
DaytonCeiling/Roof-Mount Backdraft Dampers

Dayton 35 7/8 in W x 30 3/4 in H Aluminum Ceiling/Roof-Mount Backdraft Damper

The Dayton is a ceiling/roof-mount backdraft damper designed for horizontal mounting and horizontal airflow. This single-panel aluminum unit measures 35 7/8 inches wide by 30 3/4 inches high and is intended for use…

SKU 3G-OTH-74904

Brand
Dayton
Item
35 7/8 in W x 30 3/4 in H Aluminum Ceiling/Roof-Mount Backdraft Damper
Category
Ceiling/Roof-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
Single Panel, 35 7/8 in W
H
30 3/4 in
Airflow Direction
Horizontal
Mounting Position
Horizontal
Maximum Air Velocity
1500 fpm

Technical Documents

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

Product Description

The Dayton is a ceiling/roof-mount backdraft damper designed for horizontal mounting and horizontal airflow. This single-panel aluminum unit measures 35 7/8 inches wide by 30 3/4 inches high and is intended for use with a 30-inch fan. It has a maximum air velocity of 1500 fpm.

Frequently Asked Questions

What is the Dayton ceiling truss damper used for?

The Dayton is a ceiling/roof-mount backdraft damper used to prevent reverse airflow in horizontal ventilation systems. It is designed for a 30-inch fan, mounts horizontally, and handles air velocities up to 1500 fpm. Typical applications include commercial exhaust and supply air systems where one-way airflow is critical.

What are the specifications of the Dayton damper?

The Dayton is a single-panel aluminum backdraft damper with a height of 30 3/4 inches and a width of 35 7/8 inches. It is designed for horizontal mounting and horizontal airflow, with a maximum air velocity of 1500 fpm. The manufacturer part number is .

Where to buy the Dayton damper worldwide?

3G Electric supplies the Dayton ceiling truss damper to customers worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for your region.

How to install the Dayton ceiling damper?

Install the Dayton damper in a horizontal duct or ceiling opening, ensuring the airflow arrow points in the intended direction. Secure the frame to the structure using appropriate fasteners. Verify the damper blades open freely and close fully under gravity. Always follow local building codes and the fan manufacturer's guidelines.

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 ceiling/roof-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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This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof applications to prevent reverse airflow. It measures 30 3/4 inches in height and 29 3/4 inches in width, with a maximum air velocity of 1500 fpm. The damper includes felt seals and is suitable for use in horizontal HVAC systems where one-way airflow is required
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This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof applications to prevent reverse airflow. It measures 30 3/4 inches in height and 29 3/4 inches in width, with a maximum air velocity of 1500 fpm. The damper includes felt seals and is suitable for use in horizontal HVAC systems where one-way airflow is required
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Horizontal-mount backdraft damper for ceiling or roof installations. Single-panel aluminum construction with dimensions 36 in width, 37 3/4 in height, and 1 3/8 in depth. Designed for horizontal airflow at velocities up to 1500 fpm, preventing reverse airflow when the fan is off
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Single-panel backdraft damper for horizontal mounting in ceiling or roof trusses. Designed for horizontal airflow at velocities up to 1500 fpm. Constructed of aluminum. Dimensions: 40 in width, 42 in height, 1 3/8 in depth
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Single-panel backdraft damper for horizontal mounting in ceiling or roof trusses. Designed for horizontal airflow at velocities up to 1500 fpm. Constructed of aluminum. Dimensions: 40 in width, 42 in height, 1 3/8 in depth
Single-panel backdraft damper for horizontal mounting in ceiling or roof applications. Constructed of aluminum with dimensions 43 in height, 32 in width, and 1 3/8 in depth. Designed for horizontal airflow direction and rated for maximum air velocity of 1500 fpm
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Single-panel backdraft damper for horizontal mounting in ceiling or roof applications. Constructed of aluminum with dimensions 43 in height, 32 in width, and 1 3/8 in depth. Designed for horizontal airflow direction and rated for maximum air velocity of 1500 fpm
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This backdraft damper is designed for horizontal mounting in ceiling or roof ventilation systems. It features a single-panel flat blade that opens vertically to allow airflow up to 2250 fpm and closes to prevent reverse flow. The damper has a felt construction and measures 37 inches in height, 37 inches in width, and 2 inches in depth

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This backdraft damper is designed for horizontal mounting in ceiling or roof exhaust systems to prevent reverse airflow. It features a single-panel flat aluminum blade with felt seals, vertical airflow direction, and a maximum air velocity of 2250 fpm. Dimensions are 41 inches high, 41 inches wide, and 2 inches deep
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This backdraft damper is designed for horizontal mounting in ceiling or roof exhaust systems. It features a single-panel flat blade that opens under forward airflow and closes when airflow stops, preventing reverse flow. The unit measures 25 inches high by 25 inches wide by 2 inches deep, with felt construction and a maximum air velocity rating of 2250 fpm
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This backdraft damper is designed for horizontal mounting in ceiling or roof exhaust systems. It features a single-panel flat blade that opens under forward airflow and closes when airflow stops, preventing reverse flow. The unit measures 25 inches high by 25 inches wide by 2 inches deep, with felt construction and a maximum air velocity rating of 2250 fpm
This single-panel aluminum backdraft damper is designed for ceiling or roof-mount exhaust systems. It prevents reverse airflow when the fan is off, supporting horizontal airflow up to 2250 fpm. The damper mounts vertically and measures 26 inches high by 26 inches wide with a depth of 1 5/8 inches
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This single-panel aluminum backdraft damper is designed for ceiling or roof-mount exhaust systems. It prevents reverse airflow when the fan is off, supporting horizontal airflow up to 2250 fpm. The damper mounts vertically and measures 26 inches high by 26 inches wide with a depth of 1 5/8 inches
Single-panel aluminum backdraft damper for horizontal mounting in ceiling or roof openings. Designed for horizontal airflow with a maximum velocity of 1500 fpm. Measures 32 inches high, 26 inches wide, and 1 3/8 inches deep. Suitable for use with a 24-inch fan in commercial or industrial exhaust systems
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Single-panel aluminum backdraft damper for horizontal mounting in ceiling or roof openings. Designed for horizontal airflow with a maximum velocity of 1500 fpm. Measures 32 inches high, 26 inches wide, and 1 3/8 inches deep. Suitable for use with a 24-inch fan in commercial or industrial exhaust systems
This backdraft damper is designed for ceiling or roof exhaust systems to prevent reverse airflow. It features a single-panel flat blade with felt seals, mounts horizontally, and handles vertical airflow up to 2000 fpm. Dimensions: 21 in height, 21 in width, 2 in depth
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This backdraft damper is designed for ceiling or roof mounting in horizontal orientation, handling vertical airflow up to 2000 fpm. It features a single-panel, flat-blade construction with felt seals to prevent reverse airflow. The damper measures 17 inches high by 17 inches wide by 2 inches deep
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This ceiling/roof-mount backdraft damper features a single-panel flat blade design for vertical airflow direction. It mounts horizontally and is suitable for use in ventilation systems requiring one-way airflow, such as exhaust or intake applications. Maximum air velocity is 2000 fpm