Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Axial Downblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 10,406 cfm - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Axial Downblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 10,406 cfm

The DAYTON Axial Downblast Roof Exhaust Fan (SKU 3G-OTH-79843) is a belt-drive, clean-air fan for industrial and commercial applications. It includes a drive package, features a 36-inch blade, and delivers 10,406 cfm…

SKU 3G-OTH-79843

Brand
Dayton
Item
Axial Downblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 10,406 cfm
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 — 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
Includes Drive Pack, 10,406 cfm, ODP, 3
Blade
36 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
208-230/460V AC
High-Efficiency Motor
No
Motor Enclosure Design Broad
Open Motor
Exhaust Airflow @ 0.000 in SP - Range
8,000 to 15,000 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-79843) is a belt-drive, clean-air fan for industrial and commercial applications. It includes a drive package, features a 36-inch blade, and delivers 10,406 cfm of exhaust airflow. The fan is unassembled, has a square base, and is powered by a standard-efficiency, open dripproof motor rated at 208-230/460V AC with a single speed.

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 applications requiring clean-air exhaust. It mounts on the roof and uses a belt-driven, 36-inch blade to move up to 10,406 cfm of air, making it suitable for ventilation in factories, warehouses, and large commercial spaces.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features a 36-inch blade, delivers 10,406 cfm, and includes a drive package. It has an open dripproof motor rated at 208-230/460V AC, single speed, with standard efficiency. The fan is unassembled with a square base, for clean air only, and mounts on the roof.

Where to buy the Dayton roof exhaust fan worldwide?

3G Electric supplies the Dayton axial downblast 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 a quote for your region.

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

Installation of the Dayton requires assembling the unassembled fan on a roof curb, ensuring proper support and sealing. Follow the manufacturer's manual for belt tensioning and motor wiring (208-230/460V AC). Use a licensed electrician and verify the roof structure can handle the fan's weight and vibration.

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
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, 36-inch blade, 8261 cfm exhaust airflow. Open dripproof motor, standard efficiency, single speed, 208-220/440V AC. 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, 36-inch blade, 8261 cfm exhaust airflow. Open dripproof motor, standard efficiency, single speed, 208-220/440V AC. Unassembled with square base for roof mounting
Belt-drive roof exhaust fan for industrial and commercial clean-air ventilation. Unassembled unit includes drive package, 30-inch blade, and 7,320 cfm airflow. Open dripproof motor, 208-230/460V AC, single-speed, standard efficiency. Square base for roof mounting
Dayton
Belt-drive roof exhaust fan for industrial and commercial clean-air ventilation. Unassembled unit includes drive package, 30-inch blade, and 7,320 cfm airflow. Open dripproof motor, 208-230/460V AC, single-speed, standard efficiency. Square base for roof mounting
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
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, open dripproof standard-efficiency motor, single speed, 208-230/460V AC. Unassembled unit with square base, 30-inch blade, delivers 5073 cfm exhaust airflow
Dayton
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, open dripproof standard-efficiency motor, single speed, 208-230/460V AC. Unassembled unit with square base, 30-inch blade, delivers 5073 cfm exhaust airflow
Belt-drive axial downblast roof exhaust fan for clean air in industrial and commercial settings. Includes drive package; unassembled with square base. 36 in blade delivers 9,082 cfm. Powered by 1 hp, open dripproof motor, 208-230/460V AC, single speed
Dayton
Belt-drive axial downblast roof exhaust fan for clean air in industrial and commercial settings. Includes drive package; unassembled with square base. 36 in blade delivers 9,082 cfm. Powered by 1 hp, open dripproof motor, 208-230/460V AC, single speed
Belt-drive axial fan for clean air exhaust in industrial and commercial settings. Includes drive package, 30-inch blade, and open dripproof motor rated 2 hp, 1 speed, 208-230/460V AC. Delivers 8,056 cfm at 0.000 in SP. Unassembled unit with square base for roof mounting
Dayton
Belt-drive axial fan for clean air exhaust in industrial and commercial settings. Includes drive package, 30-inch blade, and open dripproof motor rated 2 hp, 1 speed, 208-230/460V AC. Delivers 8,056 cfm at 0.000 in SP. Unassembled unit with square base for roof mounting

More from Dayton

View all Dayton parts
Belt-drive roof exhaust fan for clean-air applications. Unassembled unit with square base, includes drive package. Open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Delivers 4,102 cfm with 18 1/2 in wheel
Dayton
Belt-drive roof exhaust fan for clean-air applications. Unassembled unit with square base, includes drive package. Open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Delivers 4,102 cfm with 18 1/2 in wheel
This belt-drive axial fan is designed for clean air ventilation applications such as exhausting smoke, heat, fumes, and stale air from commercial or industrial spaces. It features a 36-inch blade, delivers 17,455 cfm, and is powered by a 1 1/2 hp TEFC motor operating at 115/208-230V AC, single speed
Dayton
This belt-drive axial fan is designed for clean air ventilation applications such as exhausting smoke, heat, fumes, and stale air from commercial or industrial spaces. It features a 36-inch blade, delivers 17,455 cfm, and is powered by a 1 1/2 hp TEFC motor operating at 115/208-230V AC, single speed
Belt-drive centrifugal roof exhaust fan with included drive package. Features a 14-3/4 in wheel, delivers 3163 cfm at low static pressure, and operates on 115/230V AC with a standard-efficiency open dripproof motor. Unassembled unit with square base for roof mounting. Suitable for general ventilation in industrial or commercial buildings where high-static-pressure resistance is not required
Dayton
Belt-drive centrifugal roof exhaust fan with included drive package. Features a 14-3/4 in wheel, delivers 3163 cfm at low static pressure, and operates on 115/230V AC with a standard-efficiency open dripproof motor. Unassembled unit with square base for roof mounting. Suitable for general ventilation in industrial or commercial buildings where high-static-pressure resistance is not required
Unassembled belt-drive fan with 42-inch blade delivering 25,320 cfm at 0.000 in static pressure. Powered by a 230V AC single-phase capacitor-start capacitor-run motor with totally enclosed fan-cooled enclosure. Includes drive package, designed for vertical mounting, and features spark-resistant construction type B. Suitable for clean air movement in industrial ventilation, drying, or cooling systems
Dayton
Unassembled belt-drive fan with 42-inch blade delivering 25,320 cfm at 0.000 in static pressure. Powered by a 230V AC single-phase capacitor-start capacitor-run motor with totally enclosed fan-cooled enclosure. Includes drive package, designed for vertical mounting, and features spark-resistant construction type B. Suitable for clean air movement in industrial ventilation, drying, or cooling systems
Belt-drive axial upblast roof exhaust fan for clean-air applications. Removes heat, fumes, and odors from industrial and commercial facilities by exhausting air vertically upward. Features a 42-inch blade, 23,987 cfm airflow, and a 2 hp ODP motor. Operates at single speed on 115/208-230V AC power
Dayton
Belt-drive axial upblast roof exhaust fan for clean-air applications. Removes heat, fumes, and odors from industrial and commercial facilities by exhausting air vertically upward. Features a 42-inch blade, 23,987 cfm airflow, and a 2 hp ODP motor. Operates at single speed on 115/208-230V AC power
Belt-drive centrifugal downblast roof exhaust fan, unassembled with square base. Includes drive package. Features a 14 3/4 in wheel and delivers 3,163 cfm. Equipped with an open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Suitable for general ventilation exhausting heat, odors, or fumes from industrial or commercial buildings
Dayton
Belt-drive centrifugal downblast roof exhaust fan, unassembled with square base. Includes drive package. Features a 14 3/4 in wheel and delivers 3,163 cfm. Equipped with an open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Suitable for general ventilation exhausting heat, odors, or fumes from industrial or commercial buildings
Unassembled belt-drive fan for clean-air ventilation. Includes drive package. 12-inch blade delivers 1904 cfm at 0.000 in static pressure. Single-phase capacitor-start motor, 115/208-230V AC, totally enclosed fan-cooled. Type B spark-resistant construction. Horizontal mounting orientation
Dayton
Unassembled belt-drive fan for clean-air ventilation. Includes drive package. 12-inch blade delivers 1904 cfm at 0.000 in static pressure. Single-phase capacitor-start motor, 115/208-230V AC, totally enclosed fan-cooled. Type B spark-resistant construction. Horizontal mounting orientation
This belt-drive axial upblast roof exhaust fan features a 60-inch blade and delivers 58,455 cfm. It is powered by a single-speed 7 1/2 hp TEFC motor operating at 230V AC. Designed for clean air exhaust, it is commonly used in industrial and commercial roof-mounted ventilation systems
Dayton
This belt-drive axial upblast roof exhaust fan features a 60-inch blade and delivers 58,455 cfm. It is powered by a single-speed 7 1/2 hp TEFC motor operating at 230V AC. Designed for clean air exhaust, it is commonly used in industrial and commercial roof-mounted ventilation systems