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Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 14 x 14 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 14 x 14 in Inside Dim

The Dayton Roof Curb: Fixed Ventilated Curbs (SKU 4HX54) is a square steel roof curb with a galvanized finish, designed for upblast fans. It has an inside width of 14 in and an outside width of 17-1/2 in, and…

SKU 3G-OTH-79338

Brand
Dayton
Item
Roof Curb: Fixed Ventilated Curbs, Square Curb, 14 x 14 in Inside Dim
Category
Roof Curbs
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Technical Specifications

Dayton
Manufacturer Part Number
4HX54
Type
Square Curb, Mfr Part # 4HX54
Material
Steel
Finish
Galvanized
Standards
UL 705
Inside Dim
14 x 14 in
For Fan Type
Upblast Fans
Curb Inside Width
14 in
Curb Outside Width
17-1/2 in
View Full Spec Sheet

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

Product Description

The Dayton Roof Curb: Fixed Ventilated Curbs (SKU 4HX54) is a square steel roof curb with a galvanized finish, designed for upblast fans. It has an inside width of 14 in and an outside width of 17-1/2 in, and 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 Ventilated Curbs, Square Curb, 25 x 25 in Inside Dim, Mfr Part # 4HX57. Key specifications — Curb Outside Width: 28-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 705; Manufacturer Part Number: 4HX57; Brand: DAYTON; Curb Inside Width: 25 in; Material: Steel.
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Roof Curb: Fixed Ventilated Curbs, Square Curb, 25 x 25 in Inside Dim, Mfr Part # 4HX57. Key specifications — Curb Outside Width: 28-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 705; Manufacturer Part Number: 4HX57; Brand: DAYTON; Curb Inside Width: 25 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.
Roof Curb: Fixed Ventilated Curbs, Square Curb, 29 x 29 in Inside Dim, Mfr Part # 4HX58. Key specifications — Curb Outside Width: 32-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 762; Manufacturer Part Number: 4HX58; Brand: DAYTON; Curb Inside Width: 29 in; Material: Steel.
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Roof Curb: Fixed Ventilated Curbs, Square Curb, 29 x 29 in Inside Dim, Mfr Part # 4HX58. Key specifications — Curb Outside Width: 32-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 762; Manufacturer Part Number: 4HX58; Brand: DAYTON; Curb Inside Width: 29 in; Material: Steel.
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 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, 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.
Roof Curb: Fixed Ventilated Curbs, Square Curb, 37 x 37 in Inside Dim, Mfr Part # 4HX59. Key specifications — Curb Outside Width: 40-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: UL 762; Manufacturer Part Number: 4HX59; Brand: DAYTON; Curb Inside Width: 37 in; Material: Steel.
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Roof Curb: Fixed Ventilated Curbs, Square Curb, 37 x 37 in Inside Dim, Mfr Part # 4HX59. Key specifications — Curb Outside Width: 40-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: UL 762; Manufacturer Part Number: 4HX59; Brand: DAYTON; Curb Inside Width: 37 in; Material: Steel.

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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 11.5 x 12 1/2 in Inside Dim, Mfr Part # 2RB74. Key specifications — Curb Outside Width: 15 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 16 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB74; Brand: DAYTON; Curb Inside Width: 12-1/2 in.
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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 11.5 x 12 1/2 in Inside Dim, Mfr Part # 2RB74. Key specifications — Curb Outside Width: 15 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 16 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB74; Brand: DAYTON; Curb Inside Width: 12-1/2 in.
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.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24 x 24 in Inside Dim, 27 in x 27 in Outside Dim (MPN 3AZH7). Key specifications — Curb Outside Width: 27 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 28-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH7; Brand: DAYTON; Curb Inside Width: 24 in.
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Roof Curb: Adj Nonventilated Curbs, Square Curb, 19 1/2 in to 28 in Inside Dim, Mfr Part # 2ZV83. Key specifications — Curb Outside Width: 23-1/2 in to 32 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 25 in to 30-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 2ZV83; Brand: DAYTON; Curb Inside Width: 19-1/2 in to 28 in.
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Roof Curb: Adj Nonventilated Curbs, Square Curb, 19 1/2 in to 28 in Inside Dim, Mfr Part # 2ZV83. Key specifications — Curb Outside Width: 23-1/2 in to 32 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 25 in to 30-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 2ZV83; Brand: DAYTON; Curb Inside Width: 19-1/2 in to 28 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 41.5 x 41 1/2 in Inside Dim, Mfr Part # 2RB82. Key specifications — Curb Outside Width: 44-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 46 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB82; Brand: DAYTON; Curb Inside Width: 41-1/2 in.
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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 41.5 x 41 1/2 in Inside Dim, Mfr Part # 2RB82. Key specifications — Curb Outside Width: 44-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 46 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB82; Brand: DAYTON; Curb Inside Width: 41-1/2 in.
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, 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, 47.5 x 47 1/2 in Inside Dim, Mfr Part # 5EFJ3. Key specifications — Curb Outside Width: 50-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 52 in square base; Standards: UL 705; Manufacturer Part Number: 5EFJ3; Brand: DAYTON; Curb Inside Width: 47-1/2 in.
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.
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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.