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Dayton Clean Air Direct-Drive Axial Downblast Roof Supply Fan - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Clean Air Direct-Drive Axial Downblast Roof Supply Fan

The Dayton Axial Downblast Roof Supply Fan (SKU 3G-OTH-77944) is a clean air direct-drive fan with a 24-inch blade, delivering 5,742 cfm. It features a standard-efficiency, open dripproof motor with one speed and is…

SKU 3G-OTH-77944

Brand
Dayton
Item
Clean Air Direct-Drive Axial Downblast Roof Supply Fan
Category
Clean Air Direct-Drive Fans
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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
Direct Drive, Includes Drive Pack, 5,742 cfm, OAO, 1
Motor Efficiency
Standard-Efficiency Motor
Number of Speeds
1
Mounting Location
Roof
Motor Enclosure Design Broad
Open Dripproof Motor

Technical Documents

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

Product Description

The Dayton Axial Downblast Roof Supply Fan (SKU 3G-OTH-77944) is a clean air direct-drive fan with a 24-inch blade, delivering 5,742 cfm. It features a standard-efficiency, open dripproof motor with one speed and is designed for roof mounting. The unit includes a drive pack and is configured as OAO.

Frequently Asked Questions

What is the Dayton Axial Downblast Roof Supply Fan used for?

The Dayton Axial Downblast Roof Supply Fan () is used for clean air supply in industrial and commercial roof-mounted ventilation systems. It delivers 5,742 cfm to exhaust or supply air, ideal for warehouses, factories, and large facilities requiring reliable, direct-drive airflow.

What are the specifications of the Dayton fan?

The Dayton is a direct-drive axial downblast roof supply fan with a 24-inch blade, delivering 5,742 cfm. It has a standard-efficiency, open dripproof motor with one speed, includes a drive pack, and is configured as OAO. It is designed for roof mounting.

Where to buy the Dayton fan worldwide?

You can source the Dayton axial downblast roof supply fan 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.

How to install a Dayton downblast roof supply fan?

Install the Dayton on a roof curb with proper sealing to prevent leaks. Ensure the drive pack is securely mounted and the motor is wired per local codes. Use a licensed electrician for connections. Follow generic best practices for axial fan installation to ensure safe 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Direct-drive axial downblast roof supply fan delivering 4,569 cfm with a 24-inch blade. Includes a drive pack and features a standard-efficiency open dripproof motor with one speed. Designed for roof mounting in clean air supply or exhaust ventilation systems
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Direct-drive axial downblast roof supply fan delivering 4,569 cfm with a 24-inch blade. Includes a drive pack and features a standard-efficiency open dripproof motor with one speed. Designed for roof mounting in clean air supply or exhaust ventilation systems
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This Dayton clean air direct-drive fan is designed for roof-mounted supply or exhaust ventilation in commercial and industrial settings. It delivers 3,488 cfm with a single-speed, standard-efficiency open dripproof motor. The unit includes a drive pack and is suitable for general air movement applications
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Direct-drive axial downblast roof supply fan with 18-inch blade delivering 3906 cfm. Includes drive pack. Standard-efficiency open dripproof motor, single speed. Designed for roof-mounted ventilation in industrial and commercial clean air supply or exhaust applications
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Direct-drive axial downblast roof supply fan with 18-inch blade delivering 3906 cfm. Includes drive pack. Standard-efficiency open dripproof motor, single speed. Designed for roof-mounted ventilation in industrial and commercial clean air supply or exhaust applications
This direct-drive axial downblast roof supply fan delivers 2,586 cfm for clean air supply in commercial and industrial ventilation systems. It features a single-speed, standard-efficiency open dripproof motor and includes a drive pack. Designed for roof mounting, it is suitable for general exhaust or intake applications
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This direct-drive axial downblast roof supply fan delivers 2,586 cfm for clean air supply in commercial and industrial ventilation systems. It features a single-speed, standard-efficiency open dripproof motor and includes a drive pack. Designed for roof mounting, it is suitable for general exhaust or intake applications

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This direct-drive axial downblast roof exhaust fan is designed for industrial and commercial clean-air applications. It features an 18-inch blade, delivers 2,982 cfm exhaust airflow, and includes a drive package. The fan is assembled with a square base for roof mounting, has an open air over motor enclosure, and operates on 115V AC with a single speed
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This direct-drive centrifugal downblast roof exhaust fan is assembled with a square base and an 11-inch wheel. It delivers 571 cfm at 0.000 in SP and operates on 115V AC with a single-speed, standard-efficiency open-air-over motor. The unit includes a drive package and is intended for general clean-air ventilation in roof-mounted applications, suitable for exhausting heat, odors, and stale air
This Dayton direct-drive clean air fan is assembled with a square base and includes a drive package. It features an 8-inch wheel and an open dripproof, standard-efficiency motor operating at 115V AC with three speeds. Designed for roof mounting, it delivers exhaust airflow up to 1,999 cfm at low static pressure, suitable for general ventilation in commercial or industrial buildings to remove heat, odors, or stale air
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This Dayton direct-drive clean air fan is assembled with a square base and includes a drive package. It features an 8-inch wheel and an open dripproof, standard-efficiency motor operating at 115V AC with three speeds. Designed for roof mounting, it delivers exhaust airflow up to 1,999 cfm at low static pressure, suitable for general ventilation in commercial or industrial buildings to remove heat, odors, or stale air
This direct-drive clean air fan is assembled with a square base for roof mounting. It features a 14 3/4 in wheel and a 3/4 hp electronically commutated high-efficiency motor with variable speeds, operating at 115V AC. The unit includes a drive package and delivers exhaust airflow from 2,000 to 4,999 cfm at both 0.000 in SP and 0.500 in SP. Suitable for general ventilation in commercial and industrial buildings
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This direct-drive clean air fan is assembled with a square base for roof mounting. It features a 14 3/4 in wheel and a 3/4 hp electronically commutated high-efficiency motor with variable speeds, operating at 115V AC. The unit includes a drive package and delivers exhaust airflow from 2,000 to 4,999 cfm at both 0.000 in SP and 0.500 in SP. Suitable for general ventilation in commercial and industrial buildings
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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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
Direct-drive axial fan for roof-mounted clean air supply or exhaust. Includes drive pack. Features a standard-efficiency open dripproof motor, single speed, delivering 5355 cfm. Suitable for general ventilation in industrial and commercial buildings
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Direct-drive axial downblast roof exhaust fan for industrial and commercial clean air applications. Includes drive package, 24 in blade, 5,091 cfm exhaust airflow at 0.000 in SP. Open Air Over motor enclosure, standard-efficiency single-speed motor rated 115/230V AC. Square base for roof mounting
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Direct-drive axial downblast roof exhaust fan for industrial and commercial clean air applications. Includes drive package, 24 in blade, 5,091 cfm exhaust airflow at 0.000 in SP. Open Air Over motor enclosure, standard-efficiency single-speed motor rated 115/230V AC. Square base for roof mounting
This direct-drive centrifugal fan is assembled with a square base and includes a drive package. It features a 14 3/4 in wheel and a 3/4 hp electronically commutated, open dripproof motor operating at variable speeds on 208-230V AC. Designed for roof mounting, it delivers exhaust airflow from 2,000 to 4,999 cfm at static pressures up to 0.500 in SP, suitable for general ventilation in clean air applications where high static pressure is not required
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