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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 4HX70) 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…

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
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Technical Specifications

Dayton
Manufacturer Part Number
4HX70
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
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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 4HX70) 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 4HX70 backdraft damper used for?

The Dayton 4HX70 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 4HX70 backdraft damper?

The Dayton 4HX70 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 4HX70 backdraft damper worldwide?

3G Electric supplies the Dayton 4HX70 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 4HX70 backdraft damper?

Mount the Dayton 4HX70 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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