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Dayton Clean Air Belt-Drive Fan with Drive - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Clean Air Belt-Drive Fan with Drive

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-81642) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features a 16 3/4 in wheel, delivers 3,249 cfm, and operates on…

SKU 3G-OTH-81642

Brand
Dayton
Item
Clean Air Belt-Drive Fan with Drive
Category
Clean Air Belt-Drive Fans with Drive
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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, 3,249 cfm
Wheel
16 3/4 in
Assembly
Unassembled
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
208-230/460V AC
High-Efficiency Motor
No
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-81642) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features a 16 3/4 in wheel, delivers 3,249 cfm, and operates on 208-230/460V AC with a single-speed, standard-efficiency, open dripproof motor. This unassembled unit has a square base and is not intended for high-static-pressure applications.

Frequently Asked Questions

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

The Dayton is a belt-drive clean air roof exhaust fan designed for general ventilation in commercial or industrial buildings. It moves 3,249 cfm at low static pressure, making it suitable for exhausting non-corrosive air from rooftops where high static resistance is not required.

What are the specifications of the Dayton roof exhaust fan?

The Dayton has a 16 3/4 in wheel, delivers 3,249 cfm, and operates on 208-230/460V AC with a single-speed, open dripproof motor. It includes a drive package, has a square base, is unassembled, and is not for high-static-pressure applications.

Where to buy the Dayton roof exhaust fan worldwide?

3G Electric supplies the Dayton centrifugal downblast roof exhaust fan to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this belt-drive fan.

How to install the Dayton unassembled roof exhaust fan?

The Dayton ships unassembled and requires field assembly of the drive package, wheel, and motor. Follow the manufacturer's manual for proper belt tensioning and alignment. Mount on a roof curb with a square base, ensure electrical connections match the 208-230/460V AC supply, and verify free rotation before startup.

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 belt-drive fans with drive. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
Belt-drive centrifugal downblast roof exhaust fan for clean air ventilation. Includes drive package; unassembled. Wheel diameter 16 3/4 in, airflow 3,249 cfm. Single-speed open dripproof motor, 115/208-230V AC. Square base, roof-mounted. Not for high-static-pressure applications
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Belt-drive centrifugal downblast roof exhaust fan for clean air ventilation. Includes drive package; unassembled. Wheel diameter 16 3/4 in, airflow 3,249 cfm. Single-speed open dripproof motor, 115/208-230V AC. Square base, roof-mounted. Not for high-static-pressure applications
Belt-drive centrifugal downblast roof exhaust fan with square base, includes drive package. Unassembled unit with open dripproof, standard-efficiency motor (115/230V AC, single speed). Delivers 4,062 cfm at low static pressures, suitable for general ventilation in commercial or industrial buildings
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Belt-drive centrifugal downblast roof exhaust fan with square base, includes drive package. Unassembled unit with open dripproof, standard-efficiency motor (115/230V AC, single speed). Delivers 4,062 cfm at low static pressures, suitable for general ventilation in commercial or industrial buildings
This unassembled belt-drive fan includes a drive package and features a 16 3/4 in wheel delivering 2,555 cfm. It has a square base, open dripproof standard-efficiency motor rated 115/208-230V AC, single speed. Designed for roof mounting in low-static-pressure general ventilation applications such as exhausting heat, odors, or stale air from commercial or industrial spaces
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This unassembled belt-drive fan includes a drive package and features a 16 3/4 in wheel delivering 2,555 cfm. It has a square base, open dripproof standard-efficiency motor rated 115/208-230V AC, single speed. Designed for roof mounting in low-static-pressure general ventilation applications such as exhausting heat, odors, or stale air from commercial or industrial spaces
Unassembled belt-drive roof exhaust fan with drive package, square base, and 14 3/4 in wheel. Open dripproof standard-efficiency motor, single speed, 115/208-230V AC. Delivers 2,866 cfm for clean-air ventilation in commercial or industrial buildings
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Unassembled belt-drive roof exhaust fan with drive package, square base, and 14 3/4 in wheel. Open dripproof standard-efficiency motor, single speed, 115/208-230V AC. Delivers 2,866 cfm for clean-air ventilation in commercial or industrial buildings
Belt-drive centrifugal downblast roof exhaust fan for general ventilation in commercial or industrial buildings. Includes drive package, open dripproof standard-efficiency motor, 115/208-230V AC single-speed. Delivers 3,692 cfm at low static pressures; unassembled square base. Not for high-static-pressure applications
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Belt-drive centrifugal downblast roof exhaust fan for general ventilation in commercial or industrial buildings. Includes drive package, open dripproof standard-efficiency motor, 115/208-230V AC single-speed. Delivers 3,692 cfm at low static pressures; unassembled square base. Not for high-static-pressure applications
Belt-drive centrifugal downblast roof exhaust fan for clean air ventilation. Includes drive package, 16 3/4 in wheel, delivers 3,692 cfm. Single-speed open dripproof motor, 208-230/460V AC. Unassembled with square base, standard-efficiency motor. Not for high-static-pressure applications
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Belt-drive centrifugal downblast roof exhaust fan for clean air ventilation. Includes drive package, 16 3/4 in wheel, delivers 3,692 cfm. Single-speed open dripproof motor, 208-230/460V AC. Unassembled with square base, standard-efficiency motor. Not for high-static-pressure applications

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Belt-drive roof exhaust fan for clean-air applications. Unassembled unit with square base, includes drive package. Open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Delivers 4,102 cfm with 18 1/2 in wheel
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Belt-drive roof exhaust fan for clean-air applications. Unassembled unit with square base, includes drive package. Open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Delivers 4,102 cfm with 18 1/2 in wheel
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This belt-drive axial fan is designed for clean air ventilation applications such as exhausting smoke, heat, fumes, and stale air from commercial or industrial spaces. It features a 36-inch blade, delivers 17,455 cfm, and is powered by a 1 1/2 hp TEFC motor operating at 115/208-230V AC, single speed
Belt-drive centrifugal roof exhaust fan with included drive package. Features a 14-3/4 in wheel, delivers 3163 cfm at low static pressure, and operates on 115/230V AC with a standard-efficiency open dripproof motor. Unassembled unit with square base for roof mounting. Suitable for general ventilation in industrial or commercial buildings where high-static-pressure resistance is not required
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Belt-drive centrifugal roof exhaust fan with included drive package. Features a 14-3/4 in wheel, delivers 3163 cfm at low static pressure, and operates on 115/230V AC with a standard-efficiency open dripproof motor. Unassembled unit with square base for roof mounting. Suitable for general ventilation in industrial or commercial buildings where high-static-pressure resistance is not required
Unassembled belt-drive fan with 42-inch blade delivering 25,320 cfm at 0.000 in static pressure. Powered by a 230V AC single-phase capacitor-start capacitor-run motor with totally enclosed fan-cooled enclosure. Includes drive package, designed for vertical mounting, and features spark-resistant construction type B. Suitable for clean air movement in industrial ventilation, drying, or cooling systems
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Unassembled belt-drive fan with 42-inch blade delivering 25,320 cfm at 0.000 in static pressure. Powered by a 230V AC single-phase capacitor-start capacitor-run motor with totally enclosed fan-cooled enclosure. Includes drive package, designed for vertical mounting, and features spark-resistant construction type B. Suitable for clean air movement in industrial ventilation, drying, or cooling systems
Belt-drive axial upblast roof exhaust fan for clean-air applications. Removes heat, fumes, and odors from industrial and commercial facilities by exhausting air vertically upward. Features a 42-inch blade, 23,987 cfm airflow, and a 2 hp ODP motor. Operates at single speed on 115/208-230V AC power
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Belt-drive axial upblast roof exhaust fan for clean-air applications. Removes heat, fumes, and odors from industrial and commercial facilities by exhausting air vertically upward. Features a 42-inch blade, 23,987 cfm airflow, and a 2 hp ODP motor. Operates at single speed on 115/208-230V AC power
Belt-drive centrifugal downblast roof exhaust fan, unassembled with square base. Includes drive package. Features a 14 3/4 in wheel and delivers 3,163 cfm. Equipped with an open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Suitable for general ventilation exhausting heat, odors, or fumes from industrial or commercial buildings
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Belt-drive centrifugal downblast roof exhaust fan, unassembled with square base. Includes drive package. Features a 14 3/4 in wheel and delivers 3,163 cfm. Equipped with an open dripproof, standard-efficiency, single-speed motor rated 208-230/440V AC. Suitable for general ventilation exhausting heat, odors, or fumes from industrial or commercial buildings
Unassembled belt-drive fan for clean-air ventilation. Includes drive package. 12-inch blade delivers 1904 cfm at 0.000 in static pressure. Single-phase capacitor-start motor, 115/208-230V AC, totally enclosed fan-cooled. Type B spark-resistant construction. Horizontal mounting orientation
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Unassembled belt-drive fan for clean-air ventilation. Includes drive package. 12-inch blade delivers 1904 cfm at 0.000 in static pressure. Single-phase capacitor-start motor, 115/208-230V AC, totally enclosed fan-cooled. Type B spark-resistant construction. Horizontal mounting orientation
This belt-drive axial upblast roof exhaust fan features a 60-inch blade and delivers 58,455 cfm. It is powered by a single-speed 7 1/2 hp TEFC motor operating at 230V AC. Designed for clean air exhaust, it is commonly used in industrial and commercial roof-mounted ventilation systems
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This belt-drive axial upblast roof exhaust fan features a 60-inch blade and delivers 58,455 cfm. It is powered by a single-speed 7 1/2 hp TEFC motor operating at 230V AC. Designed for clean air exhaust, it is commonly used in industrial and commercial roof-mounted ventilation systems