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Dayton Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack

The DAYTON Axial Downblast Roof Supply Fan (SKU 3G-OTH-78000) is a clean air direct-drive fan with a 20-inch blade. It features a standard-efficiency, open dripproof motor with one speed, delivers 3,488 cfm, and is…

SKU 3G-OTH-78000

Brand
Dayton
Item
Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack
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, 3,488 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-78000) is a clean air direct-drive fan with a 20-inch blade. It features a standard-efficiency, open dripproof motor with one speed, delivers 3,488 cfm, and is designed for roof mounting. The unit includes a drive pack and is identified by manufacturer part number 3G-OTH-78000.

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 ventilation in commercial and industrial roof-mounted applications. It delivers 3,488 cfm of airflow with a 20-inch blade, making it suitable for general exhaust or supply in warehouses, factories, and other facilities requiring reliable air movement.

What are the specifications of the DAYTON 4YC60 fan?

The DAYTON 4YC60 is a direct-drive axial downblast roof supply fan with a 20-inch blade, one speed, and a standard-efficiency open dripproof motor. It delivers 3,488 cfm and is designed for roof mounting. The unit includes a drive pack and is identified by manufacturer part number 4YC60.

Where to buy the DAYTON 4YC60 fan worldwide?

You can source the DAYTON 4YC60 axial downblast roof supply 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 on this clean-air direct-drive fan.

How to install the DAYTON roof supply fan?

Install the DAYTON roof supply fan on a structurally sound roof curb or mounting frame, ensuring proper sealing to prevent leaks. Connect the open dripproof motor to the correct voltage per the nameplate. Secure the fan and drive pack, then test operation. Always follow local codes and the manufacturer's manual for safe installation.

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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Axial Downblast Roof Supply Fan: 24 in Blade, Direct Drive, Includes Drive Pack, 4,569 cfm, OAO, 1 (MPN 4YC62)
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Axial Downblast Roof Supply Fan: 16 in Blade, Direct Drive, Includes Drive Pack, 2,920 cfm, OAO, 1 (MPN 4YC57)

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