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Dayton 37"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 37 in H - Ceiling/Roof-Mount Backdraft Dampers
DaytonCeiling/Roof-Mount Backdraft Dampers

Dayton 37"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 37 in H

The Dayton 37"H-W 4.5"L Aluminum Backdraft Damper (SKU 4HX69) is a ceiling/roof-mount backdraft damper designed for use with a 36-inch fan. It features a single-panel flat blade design with vertical airflow direction…

SKU 3G-OTH-75102

Brand
Dayton
Item
37"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 37 in H
Category
Ceiling/Roof-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4HX69
Type
Single Panel, 37 in W, Felt
D
2 in
H
37 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 37"H-W 4.5"L Aluminum Backdraft Damper (SKU 4HX69) is a ceiling/roof-mount backdraft damper designed for use with a 36-inch fan. It features a single-panel flat blade design with vertical airflow direction and horizontal mounting, supporting a maximum air velocity of 2250 fpm. The damper measures 37 inches in height, 37 inches in width, and 2 inches in depth, with felt construction.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dayton 4HX69 backdraft damper used for?

The Dayton 4HX69 backdraft damper is used to prevent reverse airflow in ceiling or roof-mount ventilation systems. It is designed for use with a 36-inch fan, allowing air to exit vertically while blocking backflow when the fan is off.

What are the specifications of the Dayton 4HX69 backdraft damper?

The Dayton 4HX69 measures 37 in H x 37 in W x 2 in D, with a single-panel flat blade design. It supports vertical airflow direction, horizontal mounting, and a maximum air velocity of 2250 fpm. The damper features felt construction and is from the DAYTON brand.

Where to buy the Dayton 4HX69 backdraft damper worldwide?

You can source the Dayton 4HX69 backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring the damper reaches your facility reliably.

How to install the Dayton 4HX69 backdraft damper?

Install the Dayton 4HX69 damper horizontally on a ceiling or roof opening, aligning it with the 36-inch fan. Ensure the felt edges seal against the mounting surface to prevent air leaks. Secure the damper frame with appropriate fasteners and verify the blades open freely with airflow.

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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