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

Dayton Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 24 in Blade - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 24 in Blade

The Dayton Axial Downblast Roof Exhaust Fan (SKU 3G-OTH-79922) is a direct-drive, clean-air fan assembled with a square base for roof mounting. It includes a drive package and features a totally enclosed air-over…

SKU 3G-OTH-79922

Brand
Dayton
Item
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 24 in Blade
Category
Clean Air Direct-Drive Fans
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
Includes Drive Pack, 6,042 cfm, TEAO, 3
Blade
24 in
Assembly
Assembled
Base Shape
Square
For Air Type
Clean Air
Drive Package
Includes Drive Package
Motor Enclosure
Totally Enclosed Air Over
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
208-230/460V AC
High-Efficiency Motor
No
Motor Enclosure Design Broad
Totally Enclosed Motor
Exhaust Airflow @ 0.000 in SP - Range
5,000 to 7,999 cfm

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 Axial Downblast Roof Exhaust Fan (SKU 3G-OTH-79922) is a direct-drive, clean-air fan assembled with a square base for roof mounting. It includes a drive package and features a totally enclosed air-over motor with standard efficiency, operating at 208-230/460V AC with one speed. The fan delivers exhaust airflow in the 5,000 to 7,999 cfm range, with a specific rating of 6,042 cfm at 0.000 in SP.

Frequently Asked Questions

What is the Dayton Axial Downblast Roof Exhaust Fan used for?

The Dayton Axial Downblast Roof Exhaust Fan is designed for clean-air exhaust applications on commercial or industrial roofs. It removes stale air, fumes, or heat from indoor spaces by discharging air vertically upward. The direct-drive design and included drive pack simplify installation and maintenance for continuous ventilation.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features a 24-inch blade, delivers 6,042 cfm at 0.000 in SP, and operates on 208-230/460V AC with one speed. It has a totally enclosed air-over motor with standard efficiency, a square base for roof mounting, and is assembled. The fan handles clean air only.

Where to buy the Dayton roof exhaust fan worldwide?

3G Electric supplies the Dayton roof exhaust fan to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this fan to any international destination.

How to install a Dayton direct-drive roof exhaust fan?

Install the Dayton fan on a structurally sound roof curb or opening, ensuring the square base is level and sealed. Connect the 208-230/460V AC power supply to the motor leads per local codes. Secure the fan with bolts, verify blade clearance, and test operation. Always follow the manufacturer's manual for safety.

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 clean air direct-drive fans. 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
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 20 in Blade, 5,943 cfm, TEAO, 3
Dayton
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 20 in Blade, 5,943 cfm, TEAO, 3
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade, 4,578 cfm, TEAO, 3
Dayton
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade, 4,578 cfm, TEAO, 3
Axial Downblast Roof Supply Fan: 18 in Blade, Direct Drive, Includes Drive Pack, 4,247 cfm, TEAO, 3
Dayton
Axial Downblast Roof Supply Fan: 18 in Blade, Direct Drive, Includes Drive Pack, 4,247 cfm, TEAO, 3
Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack, 5,355 cfm, TEAO, 3
Dayton
Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack, 5,355 cfm, TEAO, 3
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 11 in Wheel, 571 cfm, 1
Dayton
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 11 in Wheel, 571 cfm, 1
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 11 in Wheel, 431 cfm, 1
Dayton
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 11 in Wheel, 431 cfm, 1

More from Dayton

View all Dayton parts
Centrifugal downblast roof exhaust fan with direct drive, assembled with an 18-inch wheel and square base. Includes drive package. Open dripproof, standard-efficiency motor, single speed, 208-230/460V AC. Exhaust airflow 4,433 cfm. For general clean-air ventilation in commercial or industrial roof-mounted applications
Dayton
Centrifugal downblast roof exhaust fan with direct drive, assembled with an 18-inch wheel and square base. Includes drive package. Open dripproof, standard-efficiency motor, single speed, 208-230/460V AC. Exhaust airflow 4,433 cfm. For general clean-air ventilation in commercial or industrial roof-mounted applications
Direct-drive clean air fan with an 11-inch wheel delivering 864 cfm at 115V AC. Includes a drive package and is assembled with a square base for roof mounting. Features an open-air-over motor and single-speed operation. Suitable for general ventilation in low-static-pressure applications
Dayton
Direct-drive clean air fan with an 11-inch wheel delivering 864 cfm at 115V AC. Includes a drive package and is assembled with a square base for roof mounting. Features an open-air-over motor and single-speed operation. Suitable for general ventilation in low-static-pressure applications
This Dayton clean air direct-drive fan is designed for roof-mounted supply or exhaust ventilation in commercial and industrial settings. It delivers 3,488 cfm with a single-speed, standard-efficiency open dripproof motor. The unit includes a drive pack and is suitable for general air movement applications
Dayton
This Dayton clean air direct-drive fan is designed for roof-mounted supply or exhaust ventilation in commercial and industrial settings. It delivers 3,488 cfm with a single-speed, standard-efficiency open dripproof motor. The unit includes a drive pack and is suitable for general air movement applications
This direct-drive axial fan is designed for roof-mounted exhaust of clean air in commercial or industrial ventilation systems. It features a 10-inch blade delivering 542 cfm at 115V AC, with a single-speed, open dripproof high-efficiency motor. The unit is assembled with a square base and includes the drive package
Dayton
This direct-drive axial fan is designed for roof-mounted exhaust of clean air in commercial or industrial ventilation systems. It features a 10-inch blade delivering 542 cfm at 115V AC, with a single-speed, open dripproof high-efficiency motor. The unit is assembled with a square base and includes the drive package
This direct-drive fan is designed for roof-mounted supply ventilation in industrial and commercial buildings. It delivers 5,742 cfm with a single-speed, standard-efficiency totally enclosed motor. The unit includes a drive pack and is suitable for bringing fresh outdoor air into facilities
Dayton
This direct-drive fan is designed for roof-mounted supply ventilation in industrial and commercial buildings. It delivers 5,742 cfm with a single-speed, standard-efficiency totally enclosed motor. The unit includes a drive pack and is suitable for bringing fresh outdoor air into facilities
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade, 2,982 cfm, OAO, 1
Dayton
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade, 2,982 cfm, OAO, 1
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 14 3/4 in Wheel, 3/4 hp
Dayton
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 14 3/4 in Wheel, 3/4 hp
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 8 in Wheel, 495 cfm, 1
Dayton
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 8 in Wheel, 495 cfm, 1