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Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 17 x 17 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 17 x 17 in Inside Dim

The DAYTON 4HX55 is a fixed ventilated roof curb made of galvanized steel, designed for filtered supply fans. It has an inside width of 17 in and an outside width of 20-1/2 in, and complies with UL 762 standards.

SKU 3G-OTH-79358

Brand
Dayton
Item
Roof Curb: Fixed Ventilated Curbs, Square Curb, 17 x 17 in Inside Dim
Category
Roof Curbs
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Technical Specifications

Dayton
Manufacturer Part Number
4HX55
Type
Square Curb, Mfr Part # 4HX55
Material
Steel
Finish
Galvanized
Standards
UL 762
Inside Dim
17 x 17 in
For Fan Type
Filtered Supply Fans
Curb Inside Width
17 in
Curb Outside Width
20-1/2 in
View Full Spec Sheet

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

Product Description

The DAYTON 4HX55 is a fixed ventilated roof curb made of galvanized steel, designed for filtered supply fans. It has an inside width of 17 in and an outside width of 20-1/2 in, and complies with UL 762 standards.

Frequently Asked Questions

What is the DAYTON 4HX55 roof curb used for?

The DAYTON 4HX55 is a fixed ventilated roof curb designed to mount filtered supply fans on commercial or industrial roofs. It provides a stable, weatherproof base that channels airflow while meeting UL 762 standards for grease duct and ventilation system safety.

What are the specifications of the DAYTON 4HX55 roof curb?

The DAYTON 4HX55 has a 17 in inside width and 20-1/2 in outside width. It is made of galvanized steel with a corrosion-resistant finish. This curb is designed for filtered supply fans and complies with UL 762 standards. The manufacturer part number is 4HX55.

Where to buy the DAYTON 4HX55 roof curb worldwide?

You can source the DAYTON 4HX55 roof curb through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this part.

How to install a DAYTON 4HX55 roof curb?

Install the DAYTON 4HX55 by securing it to the roof structure with appropriate fasteners, ensuring a level base. Seal all joints with compatible roofing sealant to prevent leaks. Always follow local building codes and the fan manufacturer's instructions for proper alignment and duct connection.

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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