We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-79332) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features a 30 1/2-inch wheel, delivers exhaust airflow over…

SKU 3G-OTH-79332

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Clean Air Belt-Drive Fans with Drive
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dayton
Type
Includes Drive Pack, 14,416 cfm
Wheel
30 1/2 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
More than 10,000 cfm
Exhaust Airflow @ 0.500 in SP - Range
More than 10,000 cfm
For High-Static Pressure Applications
No

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 3G-OTH-79332) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features a 30 1/2-inch wheel, delivers exhaust airflow over 10,000 cfm at both 0.000 and 0.500 in SP, and operates on 208-230/460V AC with a single-speed, open dripproof motor. This unassembled unit has a square base and uses standard-efficiency motors, 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 fan designed for roof-mounted exhaust in commercial or industrial buildings. It moves over 10,000 cfm at low static pressures, making it suitable for general ventilation, odor removal, and heat exhaust in warehouses, factories, or assembly areas.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features a 30 1/2-inch wheel, belt drive with included drive pack, and an open dripproof motor rated at 208-230/460V AC. It delivers exhaust airflow over 10,000 cfm at both 0.000 and 0.500 in SP. The unit is unassembled with a square base and uses standard-efficiency motors.

Where to buy the Dayton centrifugal roof exhaust fan worldwide?

3G Electric supplies the Dayton centrifugal downblast roof exhaust fan to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact 3G Electric for pricing 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 fan wheel, motor, and drive components. Mount the square base on a roof curb, align the belt drive per Dayton's manual, and connect the 208-230/460V AC motor to a properly sized disconnect. Ensure adequate structural support for the unit weight.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Belt-drive centrifugal downblast roof exhaust fan for clean air applications. Includes drive package; unassembled with square base. Wheel diameter 30 1/2 in, airflow 12,311 cfm. Single-speed open dripproof motor, 208-230/460V AC. Suitable for general ventilation exhausting large air volumes through roof openings
Dayton
Belt-drive centrifugal downblast roof exhaust fan for clean air applications. Includes drive package; unassembled with square base. Wheel diameter 30 1/2 in, airflow 12,311 cfm. Single-speed open dripproof motor, 208-230/460V AC. Suitable for general ventilation exhausting large air volumes through roof openings
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 9,719 cfm
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 9,719 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 10,772 cfm
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 10,772 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 6,803 cfm
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 30 1/2 in Wheel, 6,803 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 13 3/4 in Wheel, 2,044 cfm
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 13 3/4 in Wheel, 2,044 cfm
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,523 cfm
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 2,523 cfm

More from Dayton

View all Dayton parts
Belt-drive axial downblast roof exhaust fan for clean air in industrial and commercial ventilation. Includes drive package, 20-inch blade, 3,456 cfm, open dripproof motor, 115/208-230V AC, single speed. Unassembled with square base for roof mounting
Dayton
Belt-drive axial downblast roof exhaust fan for clean air in industrial and commercial ventilation. Includes drive package, 20-inch blade, 3,456 cfm, open dripproof motor, 115/208-230V AC, single speed. Unassembled with square base for roof mounting
Unassembled belt-drive fan with drive package for clean air ventilation. Features a 34-inch blade, 3 hp capacitor-start capacitor-run motor, and totally enclosed fan-cooled enclosure. Delivers 16,560 cfm at 0.000 in SP. Operates on 115/230V AC single phase, one speed, vertical mount. Spark resistant construction Type B. Not rated for hazardous locations
Dayton
Unassembled belt-drive fan with drive package for clean air ventilation. Features a 34-inch blade, 3 hp capacitor-start capacitor-run motor, and totally enclosed fan-cooled enclosure. Delivers 16,560 cfm at 0.000 in SP. Operates on 115/230V AC single phase, one speed, vertical mount. Spark resistant construction Type B. Not rated for hazardous locations
Belt-drive centrifugal downblast roof exhaust fan for clean air applications. Includes drive package, open dripproof standard-efficiency motor (208-230/460V AC, single speed). Unassembled square base, 26 1/2 in wheel, 10,784 cfm capacity. Suitable for general ventilation where high static pressure is not required
Dayton
Belt-drive centrifugal downblast roof exhaust fan for clean air applications. Includes drive package, open dripproof standard-efficiency motor (208-230/460V AC, single speed). Unassembled square base, 26 1/2 in wheel, 10,784 cfm capacity. Suitable for general ventilation where high static pressure is not required
This belt-drive axial downblast roof exhaust fan is designed for industrial and commercial clean-air exhaust applications. It includes a drive package and features a 24-inch blade delivering 3,686 cfm. The fan is powered by a standard-efficiency, open dripproof 1-speed motor rated at 115/208-230V AC, with a square base for roof mounting. Unit is unassembled
Dayton
This belt-drive axial downblast roof exhaust fan is designed for industrial and commercial clean-air exhaust applications. It includes a drive package and features a 24-inch blade delivering 3,686 cfm. The fan is powered by a standard-efficiency, open dripproof 1-speed motor rated at 115/208-230V AC, with a square base for roof mounting. Unit is unassembled
Centrifugal downblast roof exhaust fan for clean air applications. Belt-driven with included drive package. Unassembled unit with square base, 14 3/4 in wheel, delivers 2,866 cfm. Single-speed open dripproof motor, 208-230/460V AC. Suitable for general ventilation exhausting stale air, fumes, or heat from commercial or industrial buildings
Dayton
Centrifugal downblast roof exhaust fan for clean air applications. Belt-driven with included drive package. Unassembled unit with square base, 14 3/4 in wheel, delivers 2,866 cfm. Single-speed open dripproof motor, 208-230/460V AC. Suitable for general ventilation exhausting stale air, fumes, or heat from commercial or industrial buildings
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, open dripproof standard-efficiency motor, single speed, 208-230/460V AC. Unassembled unit with square base, 30-inch blade, delivers 5073 cfm exhaust airflow
Dayton
Belt-drive axial downblast roof exhaust fan for industrial and commercial clean-air applications. Includes drive package, open dripproof standard-efficiency motor, single speed, 208-230/460V AC. Unassembled unit with square base, 30-inch blade, delivers 5073 cfm exhaust airflow
Unassembled belt-drive fan with a 21-inch blade and spark-resistant construction type B. Delivers 4,042 cfm at 0.000 in static pressure. Powered by a 3-phase, totally enclosed fan-cooled motor rated 208-230/460V AC, single speed. Includes drive package for horizontal mounting. Suitable for general clean-air ventilation in industrial facilities
Dayton
Unassembled belt-drive fan with a 21-inch blade and spark-resistant construction type B. Delivers 4,042 cfm at 0.000 in static pressure. Powered by a 3-phase, totally enclosed fan-cooled motor rated 208-230/460V AC, single speed. Includes drive package for horizontal mounting. Suitable for general clean-air ventilation in industrial facilities
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
Dayton
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