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Dayton 41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H - Ceiling/Roof-Mount Backdraft Dampers
DaytonCeiling/Roof-Mount Backdraft Dampers

Dayton 41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H

The Dayton 41"H-W 4.5"L Aluminum Backdraft Damper (SKU 3G-OTH-75142) is a ceiling/roof-mount backdraft damper designed for a 36-inch fan. It features a single-panel flat blade design with vertical airflow direction…

SKU 3G-OTH-75142

Brand
Dayton
Item
41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H
Category
Ceiling/Roof-Mount Backdraft Dampers
Available to Order
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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, 41 in W, Felt
D
2 in
H
41 in
Blade Type
Flat Blade
Airflow Direction
Vertical
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 41"H-W 4.5"L Aluminum Backdraft Damper (SKU 3G-OTH-75142) is a ceiling/roof-mount backdraft damper designed for a 36-inch fan. It features a single-panel flat blade design with vertical airflow direction and horizontal mounting position, constructed from aluminum with a 2-inch depth and felt seals. The damper supports a maximum air velocity of 2250 fpm and measures 41 inches in height and width.

Frequently Asked Questions

What is the Dayton backdraft damper used for?

The Dayton backdraft damper prevents reverse airflow in ceiling or roof exhaust systems. It is designed for a 36-inch fan, with vertical airflow and horizontal mounting, using a single-panel flat aluminum blade and felt seals to stop backdrafts.

What are the specifications of the Dayton backdraft damper?

The Dayton measures 41 inches high by 41 inches wide by 2 inches deep. It has a single-panel flat blade, vertical airflow direction, horizontal mounting, and a maximum air velocity of 2250 fpm. The blade is aluminum with felt seals.

Where to buy the Dayton backdraft damper worldwide?

3G Electric supplies the Dayton backdraft damper to customers worldwide. We handle full logistics and customs clearance, ensuring delivery to your site. Contact us for pricing and lead time on this ceiling/roof-mount damper.

How to install the Dayton backdraft damper?

Mount the Dayton horizontally in a ceiling or roof opening sized for a 36-inch fan. Ensure the felt seals are intact and the flat blade moves freely. Secure the damper frame and verify vertical airflow direction before system startup.

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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Cross-referenced by specification & description
37"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 37 in H, 37 in W, 2 in D, Felt
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Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 12 3/4 inches high and wide. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow when fan is off in ventilation systems
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Aluminum wall-mount backdraft damper with single panel flat blade design. Measures 12 3/4 inches high and wide. Mounts vertically for horizontal airflow, maximum air velocity 2250 fpm. Prevents reverse airflow when fan is off in ventilation systems

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Horizontal-mount backdraft damper with single-panel aluminum construction. Prevents reverse airflow in horizontal ventilation systems. Measures 32 in height, 32 in width, 1 3/8 in depth. Supports maximum air velocity of 1500 fpm
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Horizontal-mount backdraft damper with single-panel aluminum construction. Prevents reverse airflow in horizontal ventilation systems. Measures 32 in height, 32 in width, 1 3/8 in depth. Supports maximum air velocity of 1500 fpm
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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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
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 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
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
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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
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Horizontal-mount backdraft damper for ceiling or roof ventilation systems. Single-panel aluminum construction with 38 in height, 38 in width, and 1 5/8 in depth. Supports horizontal airflow up to 2250 fpm. Prevents reverse airflow in exhaust applications