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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 is a belt-drive clean air fan (SKU 3G-OTH-79771) with a 30 1/2 in wheel and an included drive package. It delivers 9,719 cfm at 0.000 in SP and 5,000 to 10,000 cfm at…

SKU 3G-OTH-79771

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Clean Air Belt-Drive Fans with Drive
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dayton
Type
Includes Drive Pack, 9,719 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
115/230V AC
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP - Range
5,000 to 10,000 cfm
Exhaust Airflow @ 0.500 in SP - Range
5,000 to 10,000 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 is a belt-drive clean air fan (SKU 3G-OTH-79771) with a 30 1/2 in wheel and an included drive package. It delivers 9,719 cfm at 0.000 in SP and 5,000 to 10,000 cfm at 0.500 in SP, powered by a 115/230V AC open dripproof, standard-efficiency, single-speed motor. This unassembled, square-base unit is designed for roof mounting and is not for high-static-pressure applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 ventilation in commercial and industrial buildings. It is mounted on the roof to exhaust stale air, fumes, or heat from the facility. This belt-drive model is suitable for low-static-pressure applications and is not designed for high-static-pressure systems.

What are the specifications of the Dayton roof exhaust fan?

The Dayton features a 30 1/2 in wheel and delivers 9,719 cfm at 0.000 in SP, with a range of 5,000 to 10,000 cfm at 0.500 in SP. It includes a drive package, has an open dripproof motor enclosure, operates on 115/230V AC, and is a single-speed, standard-efficiency, belt-drive unit. The fan is unassembled with a square base for roof mounting.

Where to buy the Dayton roof exhaust fan worldwide?

You can source the Dayton roof exhaust fan 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 provide competitive pricing and reliable sourcing for this Dayton belt-drive fan.

How to install the Dayton downblast roof exhaust fan?

Install the Dayton downblast roof exhaust fan on a structurally sound roof curb or support frame. Since it ships unassembled, follow the manufacturer's instructions to mount the motor, drive package, and wheel. Ensure proper electrical connection to the 115/230V AC supply and verify belt tension. Use a licensed electrician and follow local building codes 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 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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