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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24 x 24 in Inside Dim - Roof Curbs

DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24 x 24 in Inside Dim

The Dayton Roof Curb is a fixed nonventilated square curb designed for upblast fans with a 28-1/2 in square base. It features a 24 in inside width and 27 in outside width, constructed from galvanized steel with a…

SKU 3G-OTH-79020

Brand

Dayton

Item

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24 x 24 in Inside Dim

Category

Roof Curbs

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Technical Specifications

Dayton

Manufacturer Part Number

3AZH7 

Type

Square Curb 

Material

Steel 

Finish

Galvanized 

Includes

Damper Tray 

Standards

UL 705 

Inside Dim

24 x 24 in 

Outside Dim

27 in x 27 in 

For Fan Type

Upblast Fans 

For Use With

28-1/2 in Square Base 

Curb Inside Width

24 in 

Curb Outside Width

27 in 

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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 upblast fans with a 28-1/2 in square base. It features a 24 in inside width and 27 in outside width, constructed from galvanized steel with a damper tray included. This UL 705 listed model (MPN 3AZH7) provides a structural mounting interface for industrial ventilation equipment.

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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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 30 x 30 in Inside Dim, 33 in x 33 in Outside Dim (MPN 3AZH8). Key specifications — Curb Outside Width: 33 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 34-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH8; Brand: DAYTON; Curb Inside Width: 30 in.

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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 31.5 x 31 1/2 in Inside Dim, Mfr Part # 3AZH9. Key specifications — Curb Outside Width: 34-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 36 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH9; Brand: DAYTON; Curb Inside Width: 31-1/2 in.

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 62 x 62 in Inside Dim, 65 in x 65 in Outside Dim (MPN 3AZJ8). Key specifications — Curb Outside Width: 65 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 66-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ8; Brand: DAYTON; Curb Inside Width: 62 in.

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 50 x 50 in Inside Dim, 53 in x 53 in Outside Dim (MPN 3AZJ6). Key specifications — Curb Outside Width: 53 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 54-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ6; Brand: DAYTON; Curb Inside Width: 50 in.

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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24.5 in x 24 1/2 in Inside Dim, Mfr Part # 2RB78. Key specifications — Curb Outside Width: 27-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 29 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB78; Brand: DAYTON; Curb Inside Width: 24-1/2 in.

Roof Curb: Fixed Ventilated Curbs, Square Curb, 21 x 21 in Inside Dim, Mfr Part # 4HX56. Key specifications — Curb Outside Width: 24-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX56; Brand: DAYTON; Curb Inside Width: 21 in; Material: Steel.

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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 40.5 x 40 1/2 in Inside Dim, Mfr Part # 3AZJ3. Key specifications — Curb Outside Width: 43-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 45 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ3; Brand: DAYTON; Curb Inside Width: 40-1/2 in.

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 52.5 x 52 1/2 in Inside Dim, Mfr Part # 3AZJ7. Key specifications — Curb Outside Width: 55-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 57 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ7; Brand: DAYTON; Curb Inside Width: 52-1/2 in.

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