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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 (SKU 3G-OTH-78465) is a belt-drive clean air fan with a drive package, assembled with a square base and an 11-inch wheel. It delivers exhaust airflow ranges of 0 to…

SKU 3G-OTH-78465

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Clean Air Belt-Drive Fans with Drive
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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, 1,296 cfm, 1
Wheel
11 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
115/208-230V 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
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-78465) is a belt-drive clean air fan with a drive package, assembled with a square base and an 11-inch wheel. It delivers exhaust airflow ranges of 0 to 1,999 cfm at both 0.000 in SP and 0.500 in SP, powered by a single-speed, open dripproof, standard-efficiency motor with a nameplate voltage of 115/208-230V AC. This roof-mounted unit is not designed for high-static-pressure applications and does not include a high-efficiency motor.

Frequently Asked Questions

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

The Dayton is a belt-drive roof exhaust fan designed for clean-air ventilation in commercial or industrial buildings. It moves 0 to 1,999 cfm at low static pressures, making it suitable for general exhaust applications like warehouses or factories where high static pressure is not required.

What are the specifications of the Dayton roof exhaust fan?

The Dayton has an 11-inch wheel, delivers 1,296 cfm, and operates on 115/208-230V AC single-phase power. It includes a drive package, has an open dripproof motor enclosure, and is assembled with a square base. It is not for high-static-pressure applications.

Where to buy the Dayton exhaust fan worldwide?

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

How to install a Dayton belt-drive roof exhaust fan?

Install the Dayton on a roof curb with a square opening, ensuring proper sealing to prevent leaks. Connect the 115/208-230V AC supply to the open dripproof motor per local codes. Belt tension should be checked after installation; refer to the manual for adjustment.

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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Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 11 in Wheel, 856 cfm, 1
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