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Dayton 38 in H x 38 in W Single Panel Ceiling/Roof-Mount Backdraft Damper - Ceiling/Roof-Mount Backdraft Dampers
DaytonCeiling/Roof-Mount Backdraft Dampers

Dayton 38 in H x 38 in W Single Panel Ceiling/Roof-Mount Backdraft Damper

The Dayton 38"H-W Alu Universal Backdraft Damper (SKU 3G-OTH-75129) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It accommodates a 36-inch fan and features a…

SKU 3G-OTH-75129

Brand
Dayton
Item
38 in H x 38 in W Single Panel 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, 38 in W
D
1 5/8 in
H
38 in
Airflow Direction
Horizontal
Mounting Position
Horizontal
Maximum Air Velocity
2250 fpm

Technical Documents

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

Product Description

The Dayton 38"H-W Alu Universal Backdraft Damper (SKU 3G-OTH-75129) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It accommodates a 36-inch fan and features a single-panel construction with dimensions of 38 inches in height, 38 inches in width, and 1 5/8 inches in depth. The damper supports a maximum air velocity of 2250 fpm.

Frequently Asked Questions

What is the Dayton 38"H-W Alu Universal Backdraft Damper used for?

The Dayton 38"H-W Alu Universal Backdraft Damper is used to prevent reverse airflow in ceiling or roof-mount ventilation systems. It is designed for horizontal mounting with a 36-inch fan, allowing air to exit while blocking backdrafts, making it suitable for industrial exhaust applications.

What are the specifications of the Dayton backdraft damper?

The Dayton backdraft damper has a single-panel aluminum construction with dimensions of 38 inches in height, 38 inches in width, and 1 5/8 inches in depth. It supports horizontal airflow and mounting, with a maximum air velocity of 2250 fpm. It is designed for use with a 36-inch fan.

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 locations. Contact us for availability and lead time on this Dayton brand damper.

How to install the Dayton 38"H-W Alu Universal Backdraft Damper?

Install the Dayton backdraft damper in a horizontal position, aligning it with the 36-inch fan opening. Ensure the airflow direction matches the damper's arrow. Secure the frame to the ceiling or roof structure using appropriate fasteners. Verify the damper blades move freely before operation.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
26"H-W Alu Universal Backdraft Dampr: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D
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26"H-W Alu Universal Backdraft Dampr: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D
This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof ventilation systems. It allows horizontal airflow in one direction while preventing reverse airflow. With a height of 32 inches, width of 32 inches, and depth of 1 5/8 inches, it supports a maximum air velocity of 2250 fpm
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This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof ventilation systems. It allows horizontal airflow in one direction while preventing reverse airflow. With a height of 32 inches, width of 32 inches, and depth of 1 5/8 inches, it supports a maximum air velocity of 2250 fpm
44"H-W 4.5"L Alu Ceiling Shutter Dampr: For 42 in Fan, Single Panel, 44 in H, 44 in W, 1 5/8 in D
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44"H-W 4.5"L Alu Ceiling Shutter Dampr: For 42 in Fan, Single Panel, 44 in H, 44 in W, 1 5/8 in D
Single panel wall-mount backdraft damper with flat blades. Designed for horizontal airflow in vertical mounting position. Dimensions: 39 in height, 39 in width, 2 1/2 in depth. Maximum air velocity: 2500 fpm. Used to prevent reverse airflow in ventilation systems
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Single panel wall-mount backdraft damper with flat blades. Designed for horizontal airflow in vertical mounting position. Dimensions: 39 in height, 39 in width, 2 1/2 in depth. Maximum air velocity: 2500 fpm. Used to prevent reverse airflow in ventilation systems
29"H-W 4.5"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 29 in H, 29 in W, 2 in D, Felt
Dayton
29"H-W 4.5"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 29 in H, 29 in W, 2 in D, Felt
11.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 12 in Nominal Duct Dia, Single Panel
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11.75"H-W 4.5"L Alu Univ Backdraft Dampr: For 12 in Fan, For 12 in Nominal Duct Dia, Single Panel

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Single-panel backdraft damper for horizontal mounting in ceiling or roof openings. Measures 26 inches high by 32 inches wide by 1 3/8 inches deep. Maximum air velocity 1500 fpm. Prevents reverse airflow when fan is off
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Single-panel backdraft damper for horizontal mounting in ceiling or roof openings. Measures 26 inches high by 32 inches wide by 1 3/8 inches deep. Maximum air velocity 1500 fpm. Prevents reverse airflow when fan is off
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This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof ventilation openings. It features flat blades that open vertically to allow exhaust airflow up to 2250 fpm and close automatically when the fan stops to prevent reverse airflow and debris entry. The damper is constructed with felt material
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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
This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof exhaust systems. It allows horizontal airflow in one direction and prevents reverse flow when the fan is off. Constructed of aluminum, it measures 35 inches high, 32 inches wide, and 1 5/8 inches deep, with a maximum air velocity of 1500 fpm
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This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof exhaust systems. It allows horizontal airflow in one direction and prevents reverse flow when the fan is off. Constructed of aluminum, it measures 35 inches high, 32 inches wide, and 1 5/8 inches deep, with a maximum air velocity of 1500 fpm
This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof openings. It features flat blades and supports horizontal airflow direction with a maximum air velocity of 2250 fpm. Dimensions: 50 in height, 50 in width, 1 5/8 in depth
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This single-panel backdraft damper is designed for horizontal mounting in ceiling or roof openings. It features flat blades and supports horizontal airflow direction with a maximum air velocity of 2250 fpm. Dimensions: 50 in height, 50 in width, 1 5/8 in depth
This backdraft damper is designed for horizontal mounting in ceiling or roof ventilation systems to prevent reverse airflow. It features a single-panel construction with dimensions of 32 inches high, 32 inches wide, and 1 5/8 inches deep, and is rated for a maximum air velocity of 2000 fpm. Suitable for use in exhaust fans or ductwork where one-directional airflow is required
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This backdraft damper is designed for horizontal mounting in ceiling or roof ventilation systems to prevent reverse airflow. It features a single-panel construction with dimensions of 32 inches high, 32 inches wide, and 1 5/8 inches deep, and is rated for a maximum air velocity of 2000 fpm. Suitable for use in exhaust fans or ductwork where one-directional airflow is required
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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 vertically to allow airflow and closes automatically to prevent reverse flow when the fan is off. The felt construction helps reduce noise and vibration. Maximum air velocity is 2000 fpm