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Dayton Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade

The Dayton Axial Downblast Roof Exhaust Fan (SKU 3G-OTH-79902) is a direct-drive clean air fan assembled with a square base for roof mounting. It features a totally enclosed air-over motor, standard-efficiency motor…

SKU 3G-OTH-79902

Brand
Dayton
Item
Axial Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 18 in Blade
Category
Clean Air Direct-Drive Fans
Available to Order
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Technical specs
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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, 4,578 cfm, TEAO, 3
Blade
18 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
2,000 to 4,999 cfm

Technical Documents

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

Product Description

The Dayton Axial Downblast Roof Exhaust Fan (SKU 3G-OTH-79902) is a direct-drive clean air fan assembled with a square base for roof mounting. It features a totally enclosed air-over motor, standard-efficiency motor, and a single-speed drive package. The unit operates at 208-230/460V AC and delivers exhaust airflow up to 4,578 cfm with an 18-inch blade.

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 heat, fumes, or stale air from indoor spaces, using a direct-drive motor and an 18-inch blade to move up to 4,578 cfm. Typical uses include warehouses, factories, and ventilation systems requiring reliable roof-mounted exhaust.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features an 18-inch blade, delivers 4,578 cfm exhaust airflow, and operates on 208-230/460V AC power. It has a totally enclosed air-over (TEAO) motor, standard efficiency, single-speed drive package, and a square base for roof mounting. The unit is assembled and designed for clean air only.

Where to buy the Dayton roof 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; we provide competitive pricing and reliable sourcing for this Dayton model.

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

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

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.

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