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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 68 x 68 in Inside Dim - Roof Curbs

DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 68 x 68 in Inside Dim

The Dayton Roof Curb is a fixed nonventilated square curb designed for downblast fans. It features a galvanized steel finish, with an inside width of 68 inches and an outside width of 71 inches, and is intended for…

SKU 3G-OTH-79293

Brand

Dayton

Item

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 68 x 68 in Inside Dim

Category

Roof Curbs

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Technical Specifications

Dayton

Manufacturer Part Number

3AZJ9 

Type

Square Curb 

Material

Steel 

Finish

Galvanized 

Standards

UL 705 

Inside Dim

68 x 68 in 

Outside Dim

71 in x 71 in 

For Fan Type

Downblast Fans 

For Use With

72-1/2 in Square Base 

Curb Inside Width

68 in 

Curb Outside Width

71 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 downblast fans. It features a galvanized steel finish, with an inside width of 68 inches and an outside width of 71 inches, and is intended for use with a 72-1/2 inch square base. This product complies with UL 705 standards.

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, 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.

Roof Curb: Adj Nonventilated Curbs, Square Curb, 60 in to 68 1/2 in Inside Dim, Mfr Part # 2ZV87. Key specifications — Curb Outside Width: 64 in to 72-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 65-1/2 in to 71 in Square Base; Standards: UL 705; Manufacturer Part Number: 2ZV87; Brand: DAYTON; Curb Inside Width: 60 in to 68-1/2 in.

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 59.5 x 59 1/2 in Inside Dim, Mfr Part # 2RB83. Key specifications — Curb Outside Width: 62-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 64 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB83; Brand: DAYTON; Curb Inside Width: 59-1/2 in.

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.

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 34.5 x 34 1/2 in Inside Dim, Mfr Part # 3AZJ1. Key specifications — Curb Outside Width: 37-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 39 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ1; Brand: DAYTON; Curb Inside Width: 34-1/2 in.

Roof Curb: Fixed Nonventilated Curbs, Square Curb, 37.5 x 37 1/2 in Inside Dim, Mfr Part # 2RB81. Key specifications — Curb Outside Width: 40-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 42 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB81; Brand: DAYTON; Curb Inside Width: 37-1/2 in.