Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Roof-Curb Adapter - Roof-Curb Adapters
DaytonRoof-Curb Adapters

Dayton Roof-Curb Adapter

The Dayton Roof Curb Adapter (SKU 3G-OTH-79131) is a steel, galvanized roof-curb adapter designed to adapt a 22-inch fan base to fit a 20-inch roof curb for upblast fans. It includes (8) 1/4-20 Tinnerman Speed Nuts…

SKU 3G-OTH-79131

Brand
Dayton
Item
Roof-Curb Adapter
Category
Roof-Curb Adapters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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 22 in Fan Base to Fit 20 in Roof Curb
Material
Steel
Curb
20 in
Finish
Galvanized
Function
Adapts 22 in Fan Base to Fit 20 in Roof Curb
Includes
(8) 1/4-20 Tinnerman Speed Nut
For Fan Type
Upblast Fans

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dayton Roof Curb Adapter (SKU 3G-OTH-79131) is a steel, galvanized roof-curb adapter designed to adapt a 22-inch fan base to fit a 20-inch roof curb for upblast fans. It includes (8) 1/4-20 Tinnerman Speed Nuts for installation.

Frequently Asked Questions

What is the Dayton Roof Curb Adapter used for?

The Dayton Roof Curb Adapter adapts a 22-inch fan base to fit a 20-inch roof curb for upblast fans. It is commonly used in commercial or industrial ventilation systems to align fan mounting with existing roof curbs, simplifying retrofits or replacements.

What are the specifications of the Dayton Roof Curb Adapter ?

The Dayton Roof Curb Adapter is made of galvanized steel, designed for upblast fans. It adapts a 22-inch fan base to a 20-inch roof curb and includes (8) 1/4-20 Tinnerman Speed Nuts. The finish is galvanized, and the manufacturer part number is .

Where to buy the Dayton Roof Curb Adapter worldwide?

You can source the Dayton Roof Curb Adapter through 3G Electric, a global industrial equipment distributor. We handle logistics, customs clearance, and delivery to worldwide locations, ensuring the adapter reaches your site efficiently.

How to install the Dayton Roof Curb Adapter ?

To install the Dayton Roof Curb Adapter , first secure the adapter to the 20-inch roof curb using the included (8) 1/4-20 Tinnerman Speed Nuts. Then mount the 22-inch fan base onto the adapter. Ensure all connections are tight and the adapter is level for proper upblast fan operation.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Roof Curb Adapter: 21 1/2 in Fan Base, 18 in Curb, Adapts 22 in Fan Base to Fit 18 in Roof Curb
Dayton
Roof Curb Adapter: 21 1/2 in Fan Base, 18 in Curb, Adapts 22 in Fan Base to Fit 18 in Roof Curb
Roof Curb Adapter: 18 1/2 in Fan Base, 21 in Curb, Adapts 19 in Fan Base to Fit 21 in Roof Curb
Dayton
Roof Curb Adapter: 18 1/2 in Fan Base, 21 in Curb, Adapts 19 in Fan Base to Fit 21 in Roof Curb
Roof Curb Adapter: 25 1/2 in Fan Base, 22 in Curb, Adapts 26 in Fan Base to Fit 22 in Roof Curb
Dayton
Roof Curb Adapter: 25 1/2 in Fan Base, 22 in Curb, Adapts 26 in Fan Base to Fit 22 in Roof Curb
Roof Curb Adapter: 25 1/2 in Fan Base, 30 in Curb, Adapts 26 in Fan Base to Fit 30 in Roof Curb
Dayton
Roof Curb Adapter: 25 1/2 in Fan Base, 30 in Curb, Adapts 26 in Fan Base to Fit 30 in Roof Curb
Roof Curb Adapter: 18 1/2 in Fan Base, 17 in Curb, Adapts 19 in Fan Base to Fit 17 in Roof Curb
Dayton
Roof Curb Adapter: 18 1/2 in Fan Base, 17 in Curb, Adapts 19 in Fan Base to Fit 17 in Roof Curb
Roof Curb Adapter: 29 1/2 in Fan Base, 26 in Curb, Adapts 30 in Fan Base to Fit 26 in Roof Curb
Dayton
Roof Curb Adapter: 29 1/2 in Fan Base, 26 in Curb, Adapts 30 in Fan Base to Fit 26 in Roof Curb

More from Dayton

View all Dayton parts
Galvanized steel roof-curb adapter that adapts a 26-inch fan base to fit a 24-inch roof curb. Designed for upblast fans in ventilation systems. Includes (8) 1/4-20 x 3/4 bolts for installation
Dayton
Galvanized steel roof-curb adapter that adapts a 26-inch fan base to fit a 24-inch roof curb. Designed for upblast fans in ventilation systems. Includes (8) 1/4-20 x 3/4 bolts for installation
Galvanized steel roof-curb adapter for adapting a 22-inch downblast fan base to fit a 26-inch roof curb. Includes eight 1/4-20 x 3/4 bolts for installation. Used in commercial and industrial ventilation systems to match fan base dimensions to existing roof curbs
Dayton
Galvanized steel roof-curb adapter for adapting a 22-inch downblast fan base to fit a 26-inch roof curb. Includes eight 1/4-20 x 3/4 bolts for installation. Used in commercial and industrial ventilation systems to match fan base dimensions to existing roof curbs
Steel galvanized roof-curb adapter for downblast fans. Adapts a 46-inch fan base to fit a 42-inch roof curb. Includes (12) 1/4-20 x 3/4 bolts for installation. Used in HVAC systems to match fan bases to existing roof curbs
Dayton
Steel galvanized roof-curb adapter for downblast fans. Adapts a 46-inch fan base to fit a 42-inch roof curb. Includes (12) 1/4-20 x 3/4 bolts for installation. Used in HVAC systems to match fan bases to existing roof curbs
This galvanized steel roof-curb adapter allows a 30-inch fan base to be mounted on a 24-inch roof curb. It is designed for use with upblast fans in ventilation systems where the fan base must be reduced to match an existing curb opening. Includes eight 1/4-20 x 3/4 bolts for installation
Dayton
This galvanized steel roof-curb adapter allows a 30-inch fan base to be mounted on a 24-inch roof curb. It is designed for use with upblast fans in ventilation systems where the fan base must be reduced to match an existing curb opening. Includes eight 1/4-20 x 3/4 bolts for installation
This galvanized steel roof-curb adapter allows a 40-1/2 in fan base to be mounted on a 44-1/2 in roof curb. Includes (12) 1/4-20 x 3/4 bolts. Designed for use with upblast fans in commercial or industrial ventilation systems
Dayton
This galvanized steel roof-curb adapter allows a 40-1/2 in fan base to be mounted on a 44-1/2 in roof curb. Includes (12) 1/4-20 x 3/4 bolts. Designed for use with upblast fans in commercial or industrial ventilation systems
Galvanized steel adapter designed to mount a 22-inch downblast fan base onto a 24-inch roof curb. Includes eight 1/4-20 Tinnerman speed nuts for secure installation. Used in HVAC ventilation systems to transition between fan base and roof curb sizes
Dayton
Galvanized steel adapter designed to mount a 22-inch downblast fan base onto a 24-inch roof curb. Includes eight 1/4-20 Tinnerman speed nuts for secure installation. Used in HVAC ventilation systems to transition between fan base and roof curb sizes
Roof Curb Adapter: 29 1/2 in Fan Base, 34 in Curb, Adapts 30 in Fan Base to Fit 34 in Roof Curb
Dayton
Roof Curb Adapter: 29 1/2 in Fan Base, 34 in Curb, Adapts 30 in Fan Base to Fit 34 in Roof Curb
Roof Curb Adapter: 33 1/2 in Fan Base, 40 in Curb, Adapts 34 in Fan Base to Fit 40 in Roof Curb
Dayton
Roof Curb Adapter: 33 1/2 in Fan Base, 40 in Curb, Adapts 34 in Fan Base to Fit 40 in Roof Curb