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Dayton Manual Damper: For 20 in Fan, 22 7/8 in H, 22 7/8 in W, 3 3/8 in D, Fiberglass - Wall-Mount Backdraft Dampers
DaytonWall-Mount Backdraft Dampers

Dayton Manual Damper: For 20 in Fan, 22 7/8 in H, 22 7/8 in W, 3 3/8 in D, Fiberglass

The Dayton Manual Damper (SKU 42CW66) is a wall-mount backdraft damper designed for a 20-inch fan. It features a flat blade type, horizontal airflow direction, and vertical mounting position, with dimensions of 22…

SKU 3G-OTH-75467

Brand
Dayton
Item
Manual Damper: For 20 in Fan, 22 7/8 in H, 22 7/8 in W, 3 3/8 in D, Fiberglass
Category
Wall-Mount Backdraft Dampers
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Technical Specifications

Dayton
Manufacturer Part Number
GGS_47523
Type
22 7/8 in W, Fiberglass, Rear Flange, Wall
D
3 3/8 in
H
22 7/8 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
Mounting Position
Vertical
Maximum Air Velocity
Not Rated
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton Manual Damper (SKU 42CW66) is a wall-mount backdraft damper designed for a 20-inch fan. It features a flat blade type, horizontal airflow direction, and vertical mounting position, with dimensions of 22 7/8 inches in height and width and 3 3/8 inches in depth. Constructed with a fiberglass rear flange, this unit has a maximum air velocity rating of Not Rated and is identified by manufacturer part number GGS_47523.

Frequently Asked Questions

What is the Dayton Manual Damper 42CW66 used for?

The Dayton Manual Damper 42CW66 is a wall-mount backdraft damper designed for a 20-inch fan. It controls airflow direction horizontally and prevents reverse flow in vertical mounting positions, making it suitable for industrial ventilation systems requiring fiberglass construction for corrosion resistance.

What are the specifications of the Dayton Manual Damper 42CW66?

The Dayton Manual Damper 42CW66 has a flat blade type, horizontal airflow direction, and vertical mounting position. Dimensions are 22 7/8 inches high, 22 7/8 inches wide, and 3 3/8 inches deep. It features a fiberglass rear flange and is rated for maximum air velocity as Not Rated. Manufacturer part number is GGS_47523.

Where to buy the Dayton Manual Damper 42CW66 worldwide?

3G Electric supplies the Dayton Manual Damper 42CW66 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this fiberglass backdraft damper.

How to install the Dayton Manual Damper 42CW66?

Install the Dayton Manual Damper 42CW66 in a vertical mounting position with the rear flange against the wall. Ensure the fan opening matches the 20-inch size and that airflow direction is horizontal. Secure the fiberglass flange with appropriate fasteners and verify the flat blades move freely before operation.

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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