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Dayton 40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H - Ceiling/Roof-Mount Backdraft Dampers
DaytonCeiling/Roof-Mount Backdraft Dampers

Dayton 40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H

The DAYTON 40"H-W Aluminum Ceiling Truss Damper (SKU 3HHR8) is a ceiling/roof-mount backdraft damper designed for horizontal airflow in a horizontal mounting position. It is a single-panel unit sized for a 42-inch…

SKU 3G-OTH-75193

Brand
Dayton
Item
40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H
Category
Ceiling/Roof-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
3HHR8
Type
Single Panel, 40 in W
D
1 3/8 in
H
42 in
Airflow Direction
Horizontal
Mounting Position
Horizontal
Maximum Air Velocity
1500 fpm
View Full Spec Sheet

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

Product Description

The DAYTON 40"H-W Aluminum Ceiling Truss Damper (SKU 3HHR8) is a ceiling/roof-mount backdraft damper designed for horizontal airflow in a horizontal mounting position. It is a single-panel unit sized for a 42-inch fan, with dimensions of 42 inches in height, 40 inches in width, and 1 3/8 inches in depth. The damper supports a maximum air velocity of 1500 fpm.

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 40"H-W Aluminum Ceiling Truss Damper used for?

The DAYTON 40"H-W Aluminum Ceiling Truss Damper is a backdraft damper used in commercial HVAC systems to prevent reverse airflow. It mounts horizontally in ceiling or roof trusses and is designed for a 42-inch fan, ensuring one-way horizontal airflow at velocities up to 1500 fpm.

What are the specifications of the DAYTON 3HHR8 damper?

The DAYTON 3HHR8 is a single-panel aluminum ceiling truss damper with dimensions of 42 inches height, 40 inches width, and 1 3/8 inches depth. It is designed for horizontal mounting and horizontal airflow, with a maximum air velocity of 1500 fpm. It fits a 42-inch fan.

Where to buy the DAYTON 3HHR8 damper worldwide?

3G Electric supplies the DAYTON 3HHR8 damper worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this model globally.

How to install a DAYTON ceiling truss damper?

Install the DAYTON damper in a horizontal ceiling or roof truss opening sized for a 42-inch fan. Ensure the airflow direction arrow matches the system's horizontal flow. Secure the frame per local codes and verify the blades move freely. Maximum operating velocity is 1500 fpm.

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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