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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 42 x 42 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 42 x 42 in Inside Dim

The DAYTON Roof Curb is a fixed nonventilated square curb designed for use with 46-1/2 in square base filtered supply fans. It features a galvanized steel construction with a damper tray and measures 42 in inside…

SKU 3G-OTH-79217

Brand
Dayton
Item
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 42 x 42 in Inside Dim
Category
Roof Curbs
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Technical Specifications

Dayton
Manufacturer Part Number
3AZJ4
Type
Square Curb
Material
Steel
Finish
Galvanized
Includes
Damper Tray
Standards
UL 705
Inside Dim
42 x 42 in
Outside Dim
45 in x 45 in
For Fan Type
Filtered Supply Fans
For Use With
46-1/2 in Square Base
Curb Inside Width
42 in
Curb Outside Width
45 in
View Full Spec Sheet

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

Product Description

The DAYTON Roof Curb is a fixed nonventilated square curb designed for use with 46-1/2 in square base filtered supply fans. It features a galvanized steel construction with a damper tray and measures 42 in inside width by 45 in outside width. This UL 705 listed curb provides a structural mounting interface for rooftop equipment.

Frequently Asked Questions

What is the DAYTON Roof Curb 3AZJ4 used for?

The DAYTON Roof Curb 3AZJ4 is a fixed nonventilated square curb used to mount filtered supply fans with a 46-1/2 in square base on commercial rooftops. Its galvanized steel construction and damper tray provide a structural, weather-resistant interface for rooftop equipment.

What are the specifications of the DAYTON Roof Curb 3AZJ4?

The DAYTON Roof Curb 3AZJ4 has a 42 in inside width and 45 in outside width. It is made of galvanized steel, includes a damper tray, and is UL 705 listed. It is designed for filtered supply fans with a 46-1/2 in square base.

Where to buy the DAYTON Roof Curb 3AZJ4 worldwide?

3G Electric supplies the DAYTON Roof Curb 3AZJ4 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.

How to install the DAYTON Roof Curb 3AZJ4?

Install the DAYTON Roof Curb 3AZJ4 by securing it to the roof structure with appropriate fasteners, ensuring the 42 in inside opening aligns with the duct opening. Place the filtered supply fan with a 46-1/2 in square base onto the curb and seal all joints per local codes.

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 roof curbs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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