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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 20 x 20 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 20 x 20 in Inside Dim

The Dayton is a fixed nonventilated roof curb designed for use with 24-1/2 in square base filtered supply fans. It is constructed of steel with a galvanized finish, features a 20 in inside width and 23 in outside…

SKU 3G-OTH-78950

Brand
Dayton
Item
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 20 x 20 in Inside Dim
Category
Roof Curbs
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dayton
Type
Square Curb
Material
Steel
Finish
Galvanized
Includes
Damper Tray
Standards
UL 705
Inside Dim
20 x 20 in
Outside Dim
23 in x 23 in
For Fan Type
Filtered Supply Fans
For Use With
24-1/2 in Square Base
Curb Inside Width
20 in
Curb Outside Width
23 in

Technical Documents

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

Product Description

The Dayton is a fixed nonventilated roof curb designed for use with 24-1/2 in square base filtered supply fans. It is constructed of steel with a galvanized finish, features a 20 in inside width and 23 in outside width, and includes a damper tray. This curb complies with UL 705 standards.

Frequently Asked Questions

What is the Dayton 3G-OTH-78950 roof curb used for?

The Dayton 3G-OTH-78950 is a fixed nonventilated roof curb designed to mount filtered supply fans with a 24-1/2 in square base. It provides a stable, weathertight transition through the roof deck, supporting HVAC equipment in commercial and industrial buildings.

What are the specifications of the Dayton 3G-OTH-78950 roof curb?

The Dayton 3G-OTH-78950 is a square steel curb with a galvanized finish. Inside dimensions are 20 x 20 in; outside dimensions are 23 x 23 in. It includes a damper tray and complies with UL 705. It is for use with 24-1/2 in square base filtered supply fans.

Where to buy the Dayton 3G-OTH-78950 roof curb worldwide?

3G Electric supplies the Dayton 3G-OTH-78950 roof curb to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time; we source genuine Dayton parts across our 14 industrial departments.

How to install a Dayton 3G-OTH-78950 roof curb?

Install the Dayton 3G-OTH-78950 curb on a flat roof over a properly sized opening. Secure the curb to the roof structure per local codes, seal all joints with compatible flashing, and then mount the 24-1/2 in square base fan onto the curb. Always follow the manufacturer's instructions.

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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