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Dayton Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-79341) is a direct-drive, assembled clean air fan with a square base and a 13 3/4-inch wheel. It features a 3/4 hp, 208-230V AC, variable-speed…

SKU 3G-OTH-79341

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack
Category
Clean Air Direct-Drive Fans
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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, 3/4 hp
Wheel
13 3/4 in
Assembly
Assembled
Base Shape
Square
Motor Type
Electronically Commutated
Drive Package
Includes Drive Package
Motor Enclosure
Open Dripproof
Motor Efficiency
High-Efficiency Motors
Number of Speeds
Variable
Mounting Location
Roof
Nameplate Voltage
208-230V AC
High-Efficiency Motor
Yes
Exhaust Airflow @ 0.000 in SP - Range
0 to 1,999 cfm
Exhaust Airflow @ 0.500 in SP - Range
2,000 to 4,999 cfm
For High-Static Pressure Applications
No

Technical Documents

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

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-79341) is a direct-drive, assembled clean air fan with a square base and a 13 3/4-inch wheel. It features a 3/4 hp, 208-230V AC, variable-speed, electronically commutated, open dripproof, high-efficiency motor. The fan delivers exhaust airflow from 0 to 1,999 cfm at 0.000 in SP and 2,000 to 4,999 cfm at 0.500 in SP, and is not designed for high-static-pressure applications.

Frequently Asked Questions

What is the Dayton centrifugal downblast roof exhaust fan used for?

The Dayton is a direct-drive roof exhaust fan designed for clean air ventilation in commercial or industrial buildings. It removes stale air, heat, or fumes from roof-mounted applications where moderate airflow (up to 4,999 cfm) is needed, but not for high-static-pressure duct systems.

What are the specifications of the Dayton roof exhaust fan?

The Dayton has a 13 3/4-inch wheel, a 3/4 hp electronically commutated motor, 208-230V AC, variable speed, and open dripproof enclosure. It delivers 0 to 1,999 cfm at 0.000 in SP and 2,000 to 4,999 cfm at 0.500 in SP. It is assembled with a square base and includes a drive package.

Where to buy the Dayton exhaust fan worldwide?

You can source the Dayton through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide competitive sourcing for this Dayton clean air fan.

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

Install the Dayton on a roof curb or square base, ensuring structural support. Connect 208-230V AC power to the variable-speed motor controller. Secure the fan housing and verify free rotation of the wheel. Follow local electrical codes and use a licensed electrician for wiring.

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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