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Dayton Roof Curb: Adj Ventilated Curbs, Square Curb - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Adj Ventilated Curbs, Square Curb

The Dayton 4HX61 is a steel, galvanized-finished adjustable ventilated roof curb designed for filtered supply fans. It meets NFPA 96 standards and features an inside width range of 14-1/2 in to 18 in and an outside…

SKU 3G-OTH-79346

Brand
Dayton
Item
Roof Curb: Adj Ventilated Curbs, Square Curb
Category
Roof Curbs
Available to Order
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Technical Specifications

Dayton
Manufacturer Part Number
4HX61
Type
Square Curb
Material
Steel
Finish
Galvanized
Standards
NFPA 96
Inside Dim
14 1/2 in to 18 in x 14 1/2 in to 18 in
For Fan Type
Filtered Supply Fans
Curb Inside Width
14-1/2 in to 18 in
Curb Outside Width
17-1/2 in to 22 in
View Full Spec Sheet

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

Product Description

The Dayton 4HX61 is a steel, galvanized-finished adjustable ventilated roof curb designed for filtered supply fans. It meets NFPA 96 standards and features an inside width range of 14-1/2 in to 18 in and an outside width range of 17-1/2 in to 22 in.

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: Adj Ventilated Curbs, Square Curb, 28 in to 43 in x 28 in to 43 in Inside Dim (MPN 4HX63). Key specifications — Curb Outside Width: 31 in to 46 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX63; Brand: DAYTON; Curb Inside Width: 28 in to 43 in; Material: Steel.
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Roof Curb: Adj Ventilated Curbs, Square Curb, 21 in to 26 in x 21 in to 26 in Inside Dim (MPN 4HX62). Key specifications — Curb Outside Width: 24 in to 29 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX62; Brand: DAYTON; Curb Inside Width: 21 in to 26 in; Material: Steel.
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Roof Curb: Fixed Ventilated Curbs, Square Curb, 41 x 41 in Inside Dim, Mfr Part # 4HX60. Key specifications — Curb Outside Width: 44-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX60; Brand: DAYTON; Curb Inside Width: 41 in; Material: Steel.
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Roof Curb: Fixed Ventilated Curbs, Square Curb, 41 x 41 in Inside Dim, Mfr Part # 4HX60. Key specifications — Curb Outside Width: 44-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX60; Brand: DAYTON; Curb Inside Width: 41 in; Material: Steel.
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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: Fixed Ventilated Curbs, Square Curb, 17 x 17 in Inside Dim, Mfr Part # 4HX55. Key specifications — Curb Outside Width: 20-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: UL 762; Manufacturer Part Number: 4HX55; Brand: DAYTON; Curb Inside Width: 17 in; Material: Steel.
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Roof Curb: Fixed Ventilated Curbs, Square Curb, 17 x 17 in Inside Dim, Mfr Part # 4HX55. Key specifications — Curb Outside Width: 20-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: UL 762; Manufacturer Part Number: 4HX55; Brand: DAYTON; Curb Inside Width: 17 in; Material: Steel.
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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.
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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.
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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 20 x 20 in Inside Dim, 23 in x 23 in Outside Dim (MPN 3FLT5). Key specifications — Curb Outside Width: 23 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 24-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3FLT5; Brand: DAYTON; Curb Inside Width: 20 in.
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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 17.5 x 17 1/2 in Inside Dim, Mfr Part # 2RB76. Key specifications — Curb Outside Width: 20-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 22 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB76; Brand: DAYTON; Curb Inside Width: 17-1/2 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 25.5 x 25 1/2 in Inside Dim, Mfr Part # 2RB79. Key specifications — Curb Outside Width: 28-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 30 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB79; Brand: DAYTON; Curb Inside Width: 25-1/2 in.
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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 25.5 x 25 1/2 in Inside Dim, Mfr Part # 2RB79. Key specifications — Curb Outside Width: 28-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 30 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB79; Brand: DAYTON; Curb Inside Width: 25-1/2 in.