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Dayton Roof Curb Adapter: 18 1/2 in Fan Base, 21 in Curb - Roof-Curb Adapters
DaytonRoof-Curb Adapters

Dayton Roof Curb Adapter: 18 1/2 in Fan Base, 21 in Curb

The Dayton Roof Curb Adapter (SKU 3G-OTH-79109) is a steel, galvanized-finished adapter designed for downblast fans. It adapts a 19-inch fan base to fit a 21-inch roof curb and includes (8) 1/4-20 Tinnerman Speed Nuts.

SKU 3G-OTH-79109

Brand
Dayton
Item
Roof Curb Adapter: 18 1/2 in Fan Base, 21 in Curb
Category
Roof-Curb Adapters
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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
Adapts 19 in Fan Base to Fit 21 in Roof Curb
Material
Steel
Curb
21 in
Finish
Galvanized
Function
Adapts 19 in Fan Base to Fit 21 in Roof Curb
Includes
(8) 1/4-20 Tinnerman Speed Nut
For Fan Type
Downblast Fans

Technical Documents

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

Product Description

The Dayton Roof Curb Adapter (SKU 3G-OTH-79109) is a steel, galvanized-finished adapter designed for downblast fans. It adapts a 19-inch fan base to fit a 21-inch roof curb and includes (8) 1/4-20 Tinnerman Speed Nuts.

Frequently Asked Questions

What is a Dayton roof curb adapter used for?

A Dayton roof curb adapter, like the , is used to mount a downblast fan with a 19-inch base onto a roof curb that is 21 inches wide. It provides a secure, galvanized steel transition, ensuring proper airflow and weather sealing in commercial or industrial ventilation systems.

What are the specifications of the Dayton roof curb adapter?

The Dayton roof curb adapter is made of galvanized steel, fits a 21-inch curb, and adapts a 19-inch fan base for downblast fans. It includes eight 1/4-20 Tinnerman speed nuts for fastening. The finish is galvanized for corrosion resistance.

Where to buy a Dayton roof curb adapter worldwide?

3G Electric supplies the Dayton roof curb adapter worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this adapter to your site. Contact us for pricing and lead time on your order.

How to install a Dayton roof curb adapter?

To install a Dayton roof curb adapter, first ensure the roof curb is clean and level. Place the adapter over the 21-inch curb, aligning the holes. Secure it using the included 1/4-20 Tinnerman speed nuts. Then mount the 19-inch downblast fan base onto the adapter, following standard safety practices.

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-curb adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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