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

Dayton Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade

The Dayton Axial Downblast Roof Exhaust Fan is a belt-drive, clean-air fan for industrial and commercial applications. This unassembled unit includes a drive package and features a 20-inch blade delivering 3,957 cfm…

SKU 3G-OTH-80009

Brand
Dayton
Item
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade
Category
Clean Air Belt-Drive Fans with 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
Includes Drive Pack, 3,957 cfm, ODP, 3
Blade
20 in
Assembly
Unassembled
Base Shape
Square
Application
Industrial and Commercial Applications
For Air Type
Clean Air
Drive Package
Includes Drive Package
Motor Enclosure
Open Dripproof
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
208-220/440V AC
High-Efficiency Motor
No
Motor Enclosure Design Broad
Open Motor
Exhaust Airflow @ 0.000 in SP - Range
2,000 to 4,999 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 is a belt-drive, clean-air fan for industrial and commercial applications. This unassembled unit includes a drive package and features a 20-inch blade delivering 3,957 cfm exhaust airflow, with an open dripproof motor rated at 208-220/440V AC and standard efficiency. It is designed for roof mounting with a square base and operates as a single-speed fan.

Frequently Asked Questions

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

The Dayton Axial Downblast Roof Exhaust Fan is designed for industrial and commercial clean-air exhaust applications. It mounts on a roof with a square base and uses a belt-driven 20-inch blade to move up to 3,957 cfm of air, making it suitable for ventilating factories, warehouses, and commercial buildings.

What are the specifications of the Dayton roof exhaust fan?

The Dayton is a belt-drive axial downblast fan with a 20-inch blade delivering 3,957 cfm exhaust airflow. It features an open dripproof motor rated at 208-220/440V AC, standard efficiency, single-speed operation, and includes a drive package. The unassembled unit has a square base for roof mounting.

Where to buy the Dayton exhaust fan worldwide?

You can source the Dayton axial downblast roof exhaust fan through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this belt-drive fan.

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

Install the Dayton belt-drive fan on a structurally sound roof curb with a square opening. Assemble the unassembled unit per the manual, ensuring proper belt tension and alignment. Connect the 208-220/440V AC power to the open dripproof motor. Use a licensed electrician and follow local codes for safe 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 clean air belt-drive fans with 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
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade, 3,456 cfm, ODP, 3
Dayton
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade, 3,456 cfm, ODP, 3
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, 20-inch blade, and delivers 3,018 cfm. Features an open dripproof, standard-efficiency motor rated at 208-230/460V AC, single speed. Unassembled with square base for roof mounting
Dayton
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, 20-inch blade, and delivers 3,018 cfm. Features an open dripproof, standard-efficiency motor rated at 208-230/460V AC, single speed. Unassembled with square base for roof mounting
Belt-drive axial downblast roof exhaust fan for clean air in industrial and commercial applications. Unassembled unit includes drive package, 36-inch blade, 10,406 cfm exhaust airflow, open dripproof motor, single speed, 115/208-230V AC. Square base for roof mounting
Dayton
Belt-drive axial downblast roof exhaust fan for clean air in industrial and commercial applications. Unassembled unit includes drive package, 36-inch blade, 10,406 cfm exhaust airflow, open dripproof motor, single speed, 115/208-230V AC. Square base for roof mounting
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 in Blade, 3,686 cfm, ODP, 3
Dayton
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 in Blade, 3,686 cfm, ODP, 3
Belt-drive roof exhaust fan for clean air in industrial and commercial settings. Includes drive package, 30-inch blade, 5,810 cfm exhaust airflow, single-speed open dripproof motor, 208-220/440V AC. Unassembled, square base for roof mounting
Dayton
Belt-drive roof exhaust fan for clean air in industrial and commercial settings. Includes drive package, 30-inch blade, 5,810 cfm exhaust airflow, single-speed open dripproof motor, 208-220/440V AC. Unassembled, square base for roof mounting
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 in Blade, 5,073 cfm, ODP, 1
Dayton
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 in Blade, 5,073 cfm, ODP, 1

More from Dayton

View all Dayton parts
Unassembled belt-drive fan for clean air ventilation. 36 in blade delivers 12,520 cfm at 0.000 in SP. Capacitor-start motor with totally enclosed fan-cooled enclosure. Single-speed, 115/208-230V AC, 1 phase. Includes drive package. Spark-resistant construction type B. Designed for horizontal mounting
Dayton
Unassembled belt-drive fan for clean air ventilation. 36 in blade delivers 12,520 cfm at 0.000 in SP. Capacitor-start motor with totally enclosed fan-cooled enclosure. Single-speed, 115/208-230V AC, 1 phase. Includes drive package. Spark-resistant construction type B. Designed for horizontal mounting
Belt-drive centrifugal downblast roof exhaust fan for general ventilation in low-static-pressure applications. Includes drive package, 16 3/4 in wheel, delivers 3,692 cfm. Single-speed open dripproof motor, 208-230/440V AC. Unassembled with square base
Dayton
Belt-drive centrifugal downblast roof exhaust fan for general ventilation in low-static-pressure applications. Includes drive package, 16 3/4 in wheel, delivers 3,692 cfm. Single-speed open dripproof motor, 208-230/440V AC. Unassembled with square base
Unassembled belt-drive fan with drive package for clean air ventilation. Features a 42-inch blade, 3-phase TEFC motor, and vertical mounting. Delivers 19,275 cfm at 0.000 in SP. Spark resistant construction Type B. Suitable for general air movement in non-hazardous industrial environments
Dayton
Unassembled belt-drive fan with drive package for clean air ventilation. Features a 42-inch blade, 3-phase TEFC motor, and vertical mounting. Delivers 19,275 cfm at 0.000 in SP. Spark resistant construction Type B. Suitable for general air movement in non-hazardous industrial environments
This unassembled belt-drive fan is designed for high-volume clean air movement in industrial ventilation, cooling, and exhaust applications. It features a 60-inch blade, a 3-phase totally enclosed fan-cooled motor, and spark-resistant construction type B. The fan delivers 45,933 cfm at 0.000 in SP and operates on 208-230/460V AC. It includes a drive package and is intended for horizontal mounting
Dayton
This unassembled belt-drive fan is designed for high-volume clean air movement in industrial ventilation, cooling, and exhaust applications. It features a 60-inch blade, a 3-phase totally enclosed fan-cooled motor, and spark-resistant construction type B. The fan delivers 45,933 cfm at 0.000 in SP and operates on 208-230/460V AC. It includes a drive package and is intended for horizontal mounting
Unassembled belt-drive fan with drive package, featuring a 14 3/4 in wheel and 2,523 cfm airflow. Square base for roof mounting. Open dripproof motor, single-speed, 208-230/460V AC. Suitable for general ventilation in commercial and industrial buildings
Dayton
Unassembled belt-drive fan with drive package, featuring a 14 3/4 in wheel and 2,523 cfm airflow. Square base for roof mounting. Open dripproof motor, single-speed, 208-230/460V AC. Suitable for general ventilation in commercial and industrial buildings
Belt-drive centrifugal downblast roof exhaust fan for general clean-air ventilation. Unassembled unit with square base includes drive package. Features a 14 3/4 in wheel, delivers 3,163 cfm, and is powered by a standard-efficiency open dripproof motor (230/460V AC, single speed). Not for high-static-pressure applications
Dayton
Belt-drive centrifugal downblast roof exhaust fan for general clean-air ventilation. Unassembled unit with square base includes drive package. Features a 14 3/4 in wheel, delivers 3,163 cfm, and is powered by a standard-efficiency open dripproof motor (230/460V AC, single speed). Not for high-static-pressure applications
Belt-drive roof exhaust fan with drive package, assembled with a 30 1/2 in wheel and square base. Open Dripproof, standard-efficiency motor, single speed, 208-230/460V AC. Delivers exhaust airflow over 10,000 cfm at low static pressures for general clean-air ventilation in commercial or industrial roof-mounted applications
Dayton
Belt-drive roof exhaust fan with drive package, assembled with a 30 1/2 in wheel and square base. Open Dripproof, standard-efficiency motor, single speed, 208-230/460V AC. Delivers exhaust airflow over 10,000 cfm at low static pressures for general clean-air ventilation in commercial or industrial roof-mounted applications
Belt-drive axial upblast roof exhaust fan with a 54-inch blade delivering 33,788 cfm. Features a single-speed, TEFC 2 hp motor operating at 115/230V AC. Designed for industrial exhaust applications such as removing heat, fumes, and airborne contaminants from manufacturing facilities, warehouses, and commercial buildings
Dayton
Belt-drive axial upblast roof exhaust fan with a 54-inch blade delivering 33,788 cfm. Features a single-speed, TEFC 2 hp motor operating at 115/230V AC. Designed for industrial exhaust applications such as removing heat, fumes, and airborne contaminants from manufacturing facilities, warehouses, and commercial buildings