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Dayton Clean Air Direct-Drive Fan, 18 1/2 in Wheel, 1 hp, 115V AC - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Clean Air Direct-Drive Fan, 18 1/2 in Wheel, 1 hp, 115V AC

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-79509) is a direct-drive, assembled clean air fan with a square base and an electronically commutated motor. It includes a drive package, operates at 115V…

SKU 3G-OTH-79509

Brand
Dayton
Item
Clean Air Direct-Drive Fan, 18 1/2 in Wheel, 1 hp, 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 hp, 1
Wheel
18 1/2 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-79509) is a direct-drive, assembled clean air fan with a square base and an electronically commutated motor. It includes a drive package, operates at 115V AC, and offers variable speed control with high-efficiency motors. The fan delivers exhaust airflow from 2,000 to 4,999 cfm at both 0.000 in SP and 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 Centrifugal Downblast Roof Exhaust Fan () is used for general clean-air exhaust on commercial or industrial roofs. It moves 2,000 to 4,999 cfm at up to 0.500 in SP, making it suitable for removing heat, odors, or fumes from factories, warehouses, or plant areas.

What are the specifications of the Dayton roof exhaust fan?

The Dayton is a direct-drive, assembled fan with an 18 1/2 in wheel, 1 hp electronically commutated motor, and variable speed control. It operates at 115V AC, delivers 2,000 to 4,999 cfm at 0.000 in SP and 0.500 in SP, and mounts on a square roof base.

Where to buy the Dayton roof exhaust fan worldwide?

3G Electric supplies the Dayton roof exhaust fan worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this clean-air direct-drive fan.

How to install a Dayton downblast roof exhaust fan?

Install the Dayton downblast fan on a structurally sound roof curb with a square opening. Secure the base, connect 115V AC power to the electronically commutated motor, and verify variable-speed control wiring. Follow local electrical codes and ensure unobstructed discharge for proper airflow.

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 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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