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Dayton Clean Air Direct-Drive Fan, 1/2 hp, 13 1/4 in Wheel, 115V AC - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Clean Air Direct-Drive Fan, 1/2 hp, 13 1/4 in Wheel, 115V AC

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-79219) is a direct-drive, assembled clean air fan with a square base and a 13 1/4 in wheel. It features an electronically commutated, high-efficiency…

SKU 3G-OTH-79219

Brand
Dayton
Item
Clean Air Direct-Drive Fan, 1/2 hp, 13 1/4 in Wheel, 115V AC
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
Includes Drive Pack, 1/2 hp
Wheel
13 1/4 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
0 to 1,999 cfm
Exhaust Airflow @ 0.500 in SP - Range
0 to 1,999 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-79219) is a direct-drive, assembled clean air fan with a square base and a 13 1/4 in wheel. It features an electronically commutated, high-efficiency motor rated at 1/2 hp and 115V AC, with variable speed control. The fan delivers exhaust airflow from 0 to 1,999 cfm at both 0.000 in SP and 0.500 in SP, and includes a drive package.

Frequently Asked Questions

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

The Dayton is a clean-air roof exhaust fan designed for general ventilation in commercial or industrial buildings. It removes stale air, odors, and heat from low-static-pressure applications, using a direct-drive, electronically commutated motor for variable-speed control and energy efficiency.

What are the specifications of the Dayton roof exhaust fan?

The Dayton has a 13 1/4 in wheel, a 1/2 hp electronically commutated motor, and 115V AC nameplate voltage. It delivers 0 to 1,999 cfm at both 0.000 in SP and 0.500 in SP. The fan is assembled, has a square base, includes a drive pack, and is for roof mounting only.

Where to buy the Dayton roof 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 destinations. Contact us for availability and lead time; we supply genuine Dayton components for your ventilation needs.

How to install the Dayton downblast roof exhaust fan?

Install the Dayton on a roof curb or structural support, ensuring the square base is level and sealed. Connect 115V AC power to the electronically commutated motor, and use the variable-speed control for airflow adjustment. Follow local codes and the manufacturer's manual for 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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Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 13 3/4 in Wheel, 1/6 hp
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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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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
Direct-drive centrifugal downblast roof exhaust fan with an 11-inch wheel, delivering 1,462 cfm at 0.000 in SP. Includes drive package, assembled, square base, single-speed open-air-over motor, 115V AC. For general ventilation in low-static-pressure systems
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Direct-drive centrifugal downblast roof exhaust fan with an 11-inch wheel, delivering 1,462 cfm at 0.000 in SP. Includes drive package, assembled, square base, single-speed open-air-over motor, 115V AC. For general ventilation in low-static-pressure systems
This direct-drive roof exhaust fan is assembled with a square base and includes a drive package. It features an 11-inch wheel, delivers 966 cfm, and operates on 115V AC with a single-speed, open air over motor enclosure. Designed for clean air ventilation in commercial or industrial buildings, it removes stale air, fumes, or heat at low static pressures
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This direct-drive roof exhaust fan is assembled with a square base and includes a drive package. It features an 11-inch wheel, delivers 966 cfm, and operates on 115V AC with a single-speed, open air over motor enclosure. Designed for clean air ventilation in commercial or industrial buildings, it removes stale air, fumes, or heat at low static pressures
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 8 in Wheel, 495 cfm, 1
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Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack, 8 in Wheel, 495 cfm, 1

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