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Dayton 45"H-W 6.5"L Extrd Alu Backdraft Dampr: For 42 in Fan, Double Panel, 45 in H - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton 45"H-W 6.5"L Extrd Alu Backdraft Dampr: For 42 in Fan, Double Panel, 45 in H

The Dayton 4FZJ1 is a wall-mount backdraft damper with extruded aluminum construction, designed for use with a 42-inch fan. It features flat blades, a horizontal airflow direction, and a vertical mounting position…

SKU 3G-OTH-76831

Brand
Dayton
Item
45"H-W 6.5"L Extrd Alu Backdraft Dampr: For 42 in Fan, Double Panel, 45 in H
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
4FZJ1
Type
Double Panel, 45 in W, Wall
D
3 in
H
45 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
3250 fpm
View Full Spec Sheet

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

Product Description

The Dayton 4FZJ1 is a wall-mount backdraft damper with extruded aluminum construction, designed for use with a 42-inch fan. It features flat blades, a horizontal airflow direction, and a vertical mounting position, with a maximum air velocity of 3250 fpm. The damper measures 45 inches in height, 45 inches in width, and 3 inches in depth, with a double-panel design.

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 4FZJ1 backdraft damper used for?

The Dayton 4FZJ1 is a wall-mount backdraft damper designed to prevent reverse airflow when a 42-inch fan is off. It is commonly used in commercial or industrial ventilation systems to maintain one-way airflow and improve system efficiency.

What are the specifications of the Dayton 4FZJ1 damper?

The Dayton 4FZJ1 measures 45 inches high by 45 inches wide by 3 inches deep, with a double-panel design and flat blades. It supports horizontal airflow, vertical mounting, and a maximum air velocity of 3250 fpm. The extruded aluminum construction ensures durability.

Where to buy the Dayton 4FZJ1 damper worldwide?

You can source the Dayton 4FZJ1 backdraft damper through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order arrives reliably.

How to install the Dayton 4FZJ1 backdraft damper?

Mount the Dayton 4FZJ1 vertically on a wall opening sized for a 42-inch fan, ensuring the blades open freely with horizontal airflow. Secure the frame with appropriate fasteners and seal edges to prevent air leaks. Always follow local building codes and fan manufacturer 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 wall-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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