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Dayton Clean Air High-Pressure Direct-Drive Fan, 16 3/4 in Wheel, 1/3 hp - Clean Air High-Pressure Direct-Drive Fans
DaytonClean Air High-Pressure Direct-Drive Fans

Dayton Clean Air High-Pressure Direct-Drive Fan, 16 3/4 in Wheel, 1/3 hp

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-78699) is a Clean Air High-Pressure Direct-Drive Fan designed for high-static-pressure applications. This assembled unit features a square base, a 16 3/4…

SKU 3G-OTH-78699

Brand
Dayton
Item
Clean Air High-Pressure Direct-Drive Fan, 16 3/4 in Wheel, 1/3 hp
Category
Clean Air High-Pressure 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, 1/3 hp
Wheel
16 3/4 in
Assembly
Assembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Open Dripproof
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
115V AC
High-Efficiency Motor
No
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
Yes

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-78699) is a Clean Air High-Pressure Direct-Drive Fan designed for high-static-pressure applications. This assembled unit features a square base, a 16 3/4 in wheel, and a 1/3 hp open dripproof motor with a single speed, operating at 115V AC. It includes a drive package and delivers exhaust airflow from 0 to 1,999 cfm 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 is a clean air high-pressure direct-drive fan designed for roof-mounted exhaust in high-static-pressure applications. It moves 0 to 1,999 cfm at up to 0.500 in SP, making it suitable for industrial ventilation systems requiring reliable airflow against duct resistance.

What are the specifications of the Dayton roof exhaust fan?

The Dayton has a 16 3/4 in wheel, 1/3 hp open dripproof motor, single speed, 115V AC, and includes a drive package. It is assembled with a square base, delivers 0 to 1,999 cfm at 0.000 in SP and 0.500 in SP, and is rated for high-static-pressure applications.

Where to buy the Dayton exhaust fan worldwide?

3G Electric supplies the Dayton centrifugal downblast roof exhaust fan worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a Dayton downblast roof exhaust fan?

Install the Dayton on a roof curb with a square opening, ensuring structural support for the fan weight. Connect 115V AC power to the open dripproof motor per local codes. Secure the drive package and verify wheel rotation before operation. Consult the manual for torque specs.

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 high-pressure 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 roof exhaust fan is assembled with a square base and includes a drive package. It features a 16 3/4-inch wheel and a 1/4 hp, 115V AC, open dripproof, standard-efficiency, single-speed motor. Designed for clean air ventilation, it delivers exhaust airflow from 2,000 to 4,999 cfm at 0.000 in SP and 0 to 1,999 cfm at 0.500 in SP, suitable for low-static-pressure applications
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This direct-drive roof exhaust fan is assembled with a square base and includes a drive package. It features a 16 3/4-inch wheel and a 1/4 hp, 115V AC, open dripproof, standard-efficiency, single-speed motor. Designed for clean air ventilation, it delivers exhaust airflow from 2,000 to 4,999 cfm at 0.000 in SP and 0 to 1,999 cfm at 0.500 in SP, suitable for low-static-pressure applications
This Dayton direct-drive fan is assembled with a 13 1/4 in wheel and includes a drive package. It features a 1/2 hp open air-over motor, single speed, and operates on 115/230V AC. Designed for roof mounting with a square base, it delivers exhaust airflow from 2,000 to 4,999 cfm at 0.000 in SP and 0 to 1,999 cfm at 0.500 in SP, suitable for general ventilation in low-static-pressure applications
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This Dayton direct-drive fan is assembled with a 13 1/4 in wheel and includes a drive package. It features a 1/2 hp open air-over motor, single speed, and operates on 115/230V AC. Designed for roof mounting with a square base, it delivers exhaust airflow from 2,000 to 4,999 cfm at 0.000 in SP and 0 to 1,999 cfm at 0.500 in SP, suitable for general ventilation in low-static-pressure applications
This assembled direct-drive fan includes a drive package and a 13 3/4 in wheel. It features a 1/2 hp standard-efficiency motor with an open air over enclosure, operating at 115/230V AC single speed. Designed for roof mounting, it delivers exhaust airflow from 2,000 to 4,999 cfm at low static pressures, suitable for general ventilation in commercial or industrial buildings
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This assembled direct-drive fan includes a drive package and a 13 3/4 in wheel. It features a 1/2 hp standard-efficiency motor with an open air over enclosure, operating at 115/230V AC single speed. Designed for roof mounting, it delivers exhaust airflow from 2,000 to 4,999 cfm at low static pressures, suitable for general ventilation in commercial or industrial buildings
Assembled direct-drive centrifugal downblast roof exhaust fan with an 18-inch wheel delivering 3,344 cfm. Includes drive package and standard-efficiency open-air-over motor rated 115V AC, single speed. Square base for roof mounting in general ventilation applications where high static pressure is not required
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Assembled direct-drive centrifugal downblast roof exhaust fan with an 18-inch wheel delivering 3,344 cfm. Includes drive package and standard-efficiency open-air-over motor rated 115V AC, single speed. Square base for roof mounting in general ventilation applications where high static pressure is not required
This direct-drive centrifugal fan is assembled with a square base for roof mounting. It includes a drive package and operates at a single speed with a standard-efficiency 1/8 hp motor. The 13 1/4 in wheel delivers exhaust airflow from 0 to 1,999 cfm at 0.000 in SP on 115V AC. Suitable for general ventilation in low-static-pressure applications
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This direct-drive centrifugal fan is assembled with a square base for roof mounting. It includes a drive package and operates at a single speed with a standard-efficiency 1/8 hp motor. The 13 1/4 in wheel delivers exhaust airflow from 0 to 1,999 cfm at 0.000 in SP on 115V AC. Suitable for general ventilation in low-static-pressure applications
This direct-drive centrifugal downblast roof exhaust fan is assembled with a square base and includes a drive package. It delivers 374 cfm at 0.000 in SP, operates on 115V AC, and offers three speeds. The fan is designed for general ventilation in commercial or industrial buildings, removing stale air, odors, and heat in low-static-pressure applications
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This direct-drive centrifugal downblast roof exhaust fan is assembled with a square base and includes a drive package. It delivers 374 cfm at 0.000 in SP, operates on 115V AC, and offers three speeds. The fan is designed for general ventilation in commercial or industrial buildings, removing stale air, odors, and heat in low-static-pressure applications

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This assembled roof-mounted fan includes a drive package and features a 14 3/4 in wheel driven by a 3/4 hp electronically commutated motor with variable speeds. The open dripproof enclosure and square base support high-static-pressure applications, delivering exhaust airflow up to 1,999 cfm at 0.500 in SP on 115V AC
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This assembled roof-mounted fan includes a drive package and features a 14 3/4 in wheel driven by a 3/4 hp electronically commutated motor with variable speeds. The open dripproof enclosure and square base support high-static-pressure applications, delivering exhaust airflow up to 1,999 cfm at 0.500 in SP on 115V AC
This assembled direct-drive fan includes a drive package and features an 11-inch wheel with an electronically commutated motor. It delivers up to 1,098 cfm and is designed for high-static-pressure roof-mounted exhaust applications. The variable-speed motor has an open-dripproof enclosure and operates on 115V AC
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This assembled direct-drive fan includes a drive package and features an 11-inch wheel with an electronically commutated motor. It delivers up to 1,098 cfm and is designed for high-static-pressure roof-mounted exhaust applications. The variable-speed motor has an open-dripproof enclosure and operates on 115V AC