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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 (SKU 3G-OTH-79998) is a belt-drive clean air fan for industrial and commercial applications. It includes a drive package, features an open dripproof motor with standard…

SKU 3G-OTH-79998

Brand
Dayton
Item
Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 20 in Blade
Category
Clean Air Belt-Drive Fans with Drive
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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, 3,456 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
208-230/460V AC
High-Efficiency Motor
No
Motor Enclosure Design Broad
Open Motor
Exhaust Airflow @ 0.000 in SP - Range
2,000 to 4,999 cfm

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton Axial Downblast Roof Exhaust Fan (SKU 3G-OTH-79998) is a belt-drive clean air fan for industrial and commercial applications. It includes a drive package, features an open dripproof motor with standard efficiency, and operates at 208-230/460V AC with one speed. The unassembled unit has a square base, a 20-inch blade, and delivers 3,456 cfm of exhaust airflow.

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 removes stale air, fumes, or heat from factories, warehouses, and commercial buildings. The belt-drive design and 20-inch blade deliver 3,456 cfm at 208-230/460V AC, making it suitable for continuous ventilation.

What are the specifications of the Dayton exhaust fan?

The Dayton features a 20-inch blade, 3,456 cfm exhaust airflow, and an open dripproof motor with standard efficiency. It operates at 208-230/460V AC, single speed, and includes a drive package. The unassembled unit has a square base for roof mounting and handles clean air only.

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 solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this belt-drive clean-air fan for industrial and commercial use.

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

Install the Dayton on a roof curb with a square base, ensuring structural support for the 3,456 cfm unit. Assemble the belt-drive components per the manual, align the motor and fan sheaves, and tension belts properly. Connect 208-230/460V AC power to the open dripproof motor and verify rotation before full 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.

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Axial Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 in Blade, 7,320 cfm, ODP, 3
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