We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Dayton Roof Curb Adapter: 25 1/2 in Fan Base, 22 in Curb - Roof-Curb Adapters
DaytonRoof-Curb Adapters

Dayton Roof Curb Adapter: 25 1/2 in Fan Base, 22 in Curb

The Dayton Roof Curb Adapter (SKU 3G-OTH-79170) is a steel, galvanized-finished adapter designed to adapt a 26-inch fan base to fit a 22-inch roof curb for downblast fans. It includes (8) 1/4-20 Tinnerman Speed Nuts…

SKU 3G-OTH-79170

Brand
Dayton
Item
Roof Curb Adapter: 25 1/2 in Fan Base, 22 in Curb
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dayton
Type
Adapts 26 in Fan Base to Fit 22 in Roof Curb
Material
Steel
Curb
22 in
Finish
Galvanized
Function
Adapts 26 in Fan Base to Fit 22 in Roof Curb
Includes
(8) 1/4-20 Tinnerman Speed Nut
For Fan Type
Downblast 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-79170) is a steel, galvanized-finished adapter designed to adapt a 26-inch fan base to fit a 22-inch roof curb for downblast fans. It includes (8) 1/4-20 Tinnerman Speed Nuts for installation. This product is manufactured by Dayton under part number.

Frequently Asked Questions

What is the Dayton Roof Curb Adapter used for?

The Dayton Roof Curb Adapter adapts a 26-inch downblast fan base to fit a 22-inch roof curb. It is used in commercial or industrial HVAC installations where a larger fan must be mounted on an existing smaller curb, ensuring proper airflow and structural support.

What are the specifications of the Dayton Roof Curb Adapter ?

The Dayton Roof Curb Adapter has a 22-inch curb size, adapts a 26-inch fan base, and is made of galvanized steel. It includes (8) 1/4-20 Tinnerman Speed Nuts and is designed for downblast 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. Contact us for availability and lead time.

How to install the Dayton Roof Curb Adapter ?

To install the Dayton Roof Curb Adapter , first ensure the roof curb is clean and level. Position the adapter over the 22-inch curb, align the 26-inch fan base, and secure using the included (8) 1/4-20 Tinnerman Speed Nuts. Follow standard HVAC safety practices for roof work.

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, 26 in Curb, Adapts 22 in Fan Base to Fit 26 in Roof Curb
Dayton
Roof Curb Adapter: 21 1/2 in Fan Base, 26 in Curb, Adapts 22 in Fan Base to Fit 26 in Roof Curb
Roof Curb Adapter: 21 1/2 in Fan Base, 20 in Curb, Adapts 22 in Fan Base to Fit 20 in Roof Curb
Dayton
Roof Curb Adapter: 21 1/2 in Fan Base, 20 in Curb, Adapts 22 in Fan Base to Fit 20 in Roof Curb
Roof Curb Adapter: 45 1/2 in Fan Base, 42 in Curb, Adapts 46 in Fan Base to Fit 42 in Roof Curb
Dayton
Roof Curb Adapter: 45 1/2 in Fan Base, 42 in Curb, Adapts 46 in Fan Base to Fit 42 in Roof Curb
Roof Curb Adapter: 33 1/2 in Fan Base, 30 in Curb, Adapts 34 in Fan Base to Fit 30 in Roof Curb
Dayton
Roof Curb Adapter: 33 1/2 in Fan Base, 30 in Curb, Adapts 34 in Fan Base to Fit 30 in Roof Curb
Roof Curb Adapter: 40 in Fan Base, 45 1/2 in Curb, Mfr Part #
Dayton
Roof Curb Adapter: 40 in Fan Base, 45 1/2 in Curb, Mfr Part #

More from Dayton

View all Dayton parts
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
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
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: 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: 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