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

Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 21 1/4 in Wheel - Kitchen Air High-Pressure Belt-Drive Fans without Drive
DaytonKitchen Air High-Pressure Belt-Drive Fans without Drive

Dayton Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 21 1/4 in Wheel

The Dayton Centrifugal Upblast Roof Exhaust Fan (SKU 3G-OTH-78673) is a belt-drive kitchen air high-pressure fan supplied without a drive package. It features a 21 1/4-inch wheel, a square base, and is designed for…

SKU 3G-OTH-78673

Brand
Dayton
Item
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 21 1/4 in Wheel
Category
Kitchen Air High-Pressure Belt-Drive Fans without Drive
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
Less Drive Pack, 1/2 hp to 3 hp
Wheel
21 1/4 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Less Drive Package
Mounting Location
Roof and Wall
Includes Drive Package
No
For High-Static Pressure Applications
Yes

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 Centrifugal Upblast Roof Exhaust Fan (SKU 3G-OTH-78673) is a belt-drive kitchen air high-pressure fan supplied without a drive package. It features a 21 1/4-inch wheel, a square base, and is designed for roof and wall mounting in high-static-pressure applications. This unassembled unit supports motor ratings from 1/2 hp to 3 hp.

Frequently Asked Questions

What is the Dayton centrifugal upblast roof exhaust fan used for?

The Dayton is a belt-drive centrifugal upblast roof exhaust fan designed for kitchen air and high-static-pressure applications. It is typically installed on roofs or walls to exhaust grease-laden air, smoke, and heat from commercial kitchens, ensuring proper ventilation and compliance with building codes.

What are the specifications of the Dayton fan?

The Dayton features a 21 1/4-inch wheel, a square base, and is supplied without a drive package. It supports motor ratings from 1/2 hp to 3 hp, is unassembled, and is designed for roof and wall mounting in high-static-pressure applications. The manufacturer part number is .

Where to buy the Dayton fan worldwide?

The Dayton centrifugal upblast roof exhaust fan is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your ventilation project receives the correct Dayton fan without delays.

How to install the Dayton belt-drive roof exhaust fan?

Install the Dayton by first mounting the square base securely on a roof curb or wall opening. Since the unit is unassembled and supplied without a drive package, you must select and install a compatible motor (1/2 hp to 3 hp) and drive components. Follow local codes and use proper duct sealing for high-static-pressure kitchen exhaust systems.

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 kitchen air high-pressure belt-drive fans without drive. 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
Belt-drive centrifugal upblast fan for kitchen exhaust ventilation. Unassembled unit with 21 1/4 in wheel and square base. Designed for roof or wall mounting, less drive package, accepts 1/4 hp to 2 hp motors. Not for high-static-pressure applications
Dayton
Belt-drive centrifugal upblast fan for kitchen exhaust ventilation. Unassembled unit with 21 1/4 in wheel and square base. Designed for roof or wall mounting, less drive package, accepts 1/4 hp to 2 hp motors. Not for high-static-pressure applications
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 14 3/4 in Wheel, 1/4 hp to 1 hp
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 14 3/4 in Wheel, 1/4 hp to 1 hp
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 16 1/2 in Wheel, 1/4 hp to 1 hp
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 16 1/2 in Wheel, 1/4 hp to 1 hp
This unassembled belt-drive centrifugal upblast fan is designed for kitchen exhaust applications. It features a 30 1/2 in wheel and a square base for roof or wall mounting. The unit accepts motors from 1/3 hp to 5 hp and is supplied without a drive package or motor. Suitable for general ventilation where high static pressure is not required
Dayton
This unassembled belt-drive centrifugal upblast fan is designed for kitchen exhaust applications. It features a 30 1/2 in wheel and a square base for roof or wall mounting. The unit accepts motors from 1/3 hp to 5 hp and is supplied without a drive package or motor. Suitable for general ventilation where high static pressure is not required
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 24 1/2 in Wheel, 1/4 hp to 3 hp
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 24 1/2 in Wheel, 1/4 hp to 3 hp
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 5,138 cfm
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 5,138 cfm

More from Dayton

View all Dayton parts
Belt-drive centrifugal fan for high-static-pressure kitchen exhaust applications. Unassembled unit with 16 1/2 in wheel, square base, for roof or wall mounting. Supplied without drive package; accepts 1/4 hp to 1 hp motor
Dayton
Belt-drive centrifugal fan for high-static-pressure kitchen exhaust applications. Unassembled unit with 16 1/2 in wheel, square base, for roof or wall mounting. Supplied without drive package; accepts 1/4 hp to 1 hp motor
Unassembled centrifugal upblast roof exhaust fan for high-static-pressure kitchen ventilation. Square base, belt-drive design accepts 1/4 hp to 3/4 hp motors. Supplied without drive package for field customization
Dayton
Unassembled centrifugal upblast roof exhaust fan for high-static-pressure kitchen ventilation. Square base, belt-drive design accepts 1/4 hp to 3/4 hp motors. Supplied without drive package for field customization
Belt-drive centrifugal upblast fan for roof or wall mounting in high-static-pressure kitchen exhaust applications. Unassembled unit with 11 3/8 in wheel, square base, and less drive package. Airflow range 323 cfm to 1,014 cfm
Dayton
Belt-drive centrifugal upblast fan for roof or wall mounting in high-static-pressure kitchen exhaust applications. Unassembled unit with 11 3/8 in wheel, square base, and less drive package. Airflow range 323 cfm to 1,014 cfm
This unassembled belt-drive fan is designed for roof or wall mounting in high-static-pressure applications. It features a 21 1/4 in wheel and delivers 2,024 cfm to 6,457 cfm with a 1/2 hp rating. The square base unit is supplied without a drive package
Dayton
This unassembled belt-drive fan is designed for roof or wall mounting in high-static-pressure applications. It features a 21 1/4 in wheel and delivers 2,024 cfm to 6,457 cfm with a 1/2 hp rating. The square base unit is supplied without a drive package
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 16 1/2 in Wheel, 1/4 hp to 1 hp
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 16 1/2 in Wheel, 1/4 hp to 1 hp
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 30 1/2 in Wheel, 1/2 hp to 5 hp
Dayton
Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 30 1/2 in Wheel, 1/2 hp to 5 hp
Upblast Ventilator: Belt Drive, Less Drive Pack, 18 1/2 in Wheel, 1,688 cfm to 4,613 cfm, 1/4 hp
Dayton
Upblast Ventilator: Belt Drive, Less Drive Pack, 18 1/2 in Wheel, 1,688 cfm to 4,613 cfm, 1/4 hp
Upblast Ventilator: Belt Drive, Less Drive Pack, 24 1/2 in Wheel, 2,607 cfm to 7,513 cfm, 1/2 hp
Dayton
Upblast Ventilator: Belt Drive, Less Drive Pack, 24 1/2 in Wheel, 2,607 cfm to 7,513 cfm, 1/2 hp