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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-79365) is a direct-drive, clean air fan assembled with a square base for roof mounting. It features an electronically commutated, high-efficiency motor…

SKU 3G-OTH-79365

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack
Category
Clean Air Direct-Drive Fans
Available to Order
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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, 3/4 hp
Wheel
14 3/4 in
Assembly
Assembled
Base Shape
Square
Motor Type
Electronically Commutated
Drive Package
Includes Drive Package
Motor Efficiency
High-Efficiency Motors
Number of Speeds
Variable
Mounting Location
Roof
Nameplate Voltage
115V AC
High-Efficiency Motor
Yes
Exhaust Airflow @ 0.000 in SP - Range
2,000 to 4,999 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-79365) is a direct-drive, clean air fan assembled with a square base for roof mounting. It features an electronically commutated, high-efficiency motor with variable speeds, operating at 115V AC. The unit includes a drive package and delivers exhaust airflow in the 2,000 to 4,999 cfm range at both 0.000 in SP and 0.500 in SP.

Frequently Asked Questions

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

The Dayton Centrifugal Downblast Roof Exhaust Fan () is used for general clean-air roof exhaust in commercial and industrial buildings. It removes stale air, heat, or fumes from spaces like warehouses, factories, and plant rooms, delivering 2,000 to 4,999 cfm at low static pressures.

What are the specifications of the Dayton exhaust fan?

The Dayton is a direct-drive, assembled fan with a 14 3/4 in wheel and a square base for roof mounting. It has a 3/4 hp, 115V AC, electronically commutated high-efficiency motor with variable speeds. Exhaust airflow ranges from 2,000 to 4,999 cfm at both 0.000 in SP and 0.500 in SP.

Where to buy the Dayton roof exhaust fan worldwide?

3G Electric supplies the Dayton Centrifugal Downblast Roof Exhaust Fan worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Dayton fan.

How to install a Dayton downblast roof exhaust fan?

Install the Dayton downblast roof exhaust fan on a structurally sound roof curb with a square opening. Ensure the fan is level and securely fastened. Connect the 115V AC power supply to the electronically commutated motor per local codes. Verify variable-speed control wiring before 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 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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This direct-drive centrifugal downblast roof exhaust fan is assembled with a square base and includes a drive package. It features an 11-inch wheel and an electronically commutated, high-efficiency motor operating at 115V AC with variable speeds. Designed for clean air applications, it delivers exhaust airflow up to 1,999 cfm at 0.000 in SP and 0.500 in SP, suitable for low-static-pressure roof-mounted ventilation
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Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 8 in Wheel, 768 cfm, 1
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This direct-drive centrifugal downblast roof exhaust fan is assembled with a square base and includes a drive package. It features an 8-inch wheel and delivers exhaust airflow up to 203 cfm, powered by a 115V AC open dripproof standard-efficiency motor with three speeds. Suitable for general ventilation in commercial or industrial buildings where high static pressure is not required
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This direct-drive centrifugal downblast roof exhaust fan is assembled with a square base and includes a drive package. It features an 8-inch wheel and delivers exhaust airflow up to 203 cfm, powered by a 115V AC open dripproof standard-efficiency motor with three speeds. Suitable for general ventilation in commercial or industrial buildings where high static pressure is not required

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This Dayton clean air direct-drive fan is assembled with a square base and includes a drive package. It features an 8-inch wheel, a shaded-pole motor with open air over enclosure, and operates at 115V AC with three speeds. Designed for roof-mounted exhaust ventilation, it delivers up to 495 cfm and is suitable for low static pressure applications
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