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, 24 in Curb, 30 in Fan Base, Galvanized Steel - Roof-Curb Adapters
DaytonRoof-Curb Adapters

Dayton Roof-Curb Adapter, 24 in Curb, 30 in Fan Base, Galvanized Steel

The Dayton Roof Curb Adapter (SKU 3G-OTH-79203) is a steel, galvanized roof-curb adapter designed to adapt a 30-inch fan base to fit a 24-inch roof curb. It is intended for use with upblast fans and includes (8)…

SKU 3G-OTH-79203

Brand
Dayton
Item
Roof-Curb Adapter, 24 in Curb, 30 in Fan Base, Galvanized Steel
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 a 30 in Fan Base to Fit 24 in Roof Curb
Material
Steel
Curb
24 in
Finish
Galvanized
Function
Adapts a 30 in Fan Base to Fit 24 in Roof Curb
Includes
(8) 1/4-20 x 3/4 Bolts
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-79203) is a steel, galvanized roof-curb adapter designed to adapt a 30-inch fan base to fit a 24-inch roof curb. It is intended for use with upblast fans and includes (8) 1/4-20 x 3/4 bolts.

Frequently Asked Questions

What is the Dayton Roof Curb Adapter used for?

The Dayton Roof Curb Adapter adapts a 30-inch fan base to fit a 24-inch roof curb. It is designed for upblast fans and is commonly used in commercial or industrial ventilation systems where a fan base must be reduced to match an existing curb opening.

What are the specifications of the Dayton Roof Curb Adapter ?

The Dayton Roof Curb Adapter has a 29 1/2-inch fan base and a 24-inch curb. It is made of galvanized steel, includes (8) 1/4-20 x 3/4 bolts, and is designed for upblast fans. 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 full logistics, customs clearance, and delivery to worldwide locations, ensuring the adapter reaches your facility reliably.

How to install the Dayton Roof Curb Adapter ?

To install the Dayton Roof Curb Adapter , first secure the adapter to the 24-inch roof curb using the included (8) 1/4-20 x 3/4 bolts. Then mount the 30-inch fan base onto the adapter. Ensure all connections are tight and sealed per local codes for weatherproofing.

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
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: 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: 29 1/2 in Fan Base, 40 1/2 in Curb, Mfr Part #
Dayton
Roof Curb Adapter: 29 1/2 in Fan Base, 40 1/2 in Curb, Mfr Part #
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, 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

More from Dayton

View all Dayton parts
Galvanized steel adapter that allows a 26-inch downblast fan base to be mounted on a 22-inch roof curb. Includes eight 1/4-20 Tinnerman speed nuts for installation. Used in HVAC systems to match fan base dimensions to existing curb openings
Dayton
Galvanized steel adapter that allows a 26-inch downblast fan base to be mounted on a 22-inch roof curb. Includes eight 1/4-20 Tinnerman speed nuts for installation. Used in HVAC systems to match fan base dimensions to existing curb openings
Galvanized steel roof-curb adapter for downblast fans. Adapts a 34-inch fan base to fit a 30-inch roof curb. Includes (12) 1/4-20 x 3/4 bolts for installation. Used in commercial ventilation systems to ensure proper fit and airflow
Dayton
Galvanized steel roof-curb adapter for downblast fans. Adapts a 34-inch fan base to fit a 30-inch roof curb. Includes (12) 1/4-20 x 3/4 bolts for installation. Used in commercial ventilation systems to ensure proper fit and airflow
Galvanized steel roof-curb adapter that adapts a 30-inch fan base to fit a 26-inch roof curb. Includes (8) 1/4-20 x 3/4 bolts. Designed for use with filtered supply fans in ventilation systems
Dayton
Galvanized steel roof-curb adapter that adapts a 30-inch fan base to fit a 26-inch roof curb. Includes (8) 1/4-20 x 3/4 bolts. Designed for use with filtered supply fans in ventilation systems
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
This galvanized steel roof-curb adapter allows a 22-inch fan base to be mounted on a 20-inch roof curb. Designed for upblast fans, it includes eight 1/4-20 Tinnerman speed nuts for installation. Commonly used in ventilation system retrofits or replacements where fan base and curb sizes differ
Dayton
This galvanized steel roof-curb adapter allows a 22-inch fan base to be mounted on a 20-inch roof curb. Designed for upblast fans, it includes eight 1/4-20 Tinnerman speed nuts for installation. Commonly used in ventilation system retrofits or replacements where fan base and curb sizes differ
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 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