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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-81408) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features an unassembled square base, an open dripproof motor…

SKU 3G-OTH-81408

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, 8,588 cfm
Wheel
26 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
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 (SKU 3G-OTH-81408) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features an unassembled square base, an open dripproof motor enclosure, and a single-speed standard-efficiency motor rated at 208-230/460V AC. The fan delivers exhaust airflow in the 5,000 to 10,000 cfm range at both 0.000 and 0.500 in SP, with a 26 1/2 in wheel and 8,588 cfm capacity.

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 (7AU87) is used for general clean-air exhaust ventilation on commercial or industrial roofs. It removes heat, fumes, and odors from indoor spaces by discharging air upward away from the roof surface, making it suitable for warehouses, factories, and assembly areas.

What are the specifications of the Dayton 7AU87 roof exhaust fan?

The Dayton 7AU87 is a belt-drive downblast fan with a 26 1/2 in wheel and 8,588 cfm capacity. It has an unassembled square base, open dripproof motor enclosure, and a single-speed standard-efficiency motor rated at 208-230/460V AC. Exhaust airflow ranges from 5,000 to 10,000 cfm at 0.000 and 0.500 in SP.

Where to buy the Dayton 7AU87 roof exhaust fan worldwide?

You can source the Dayton 7AU87 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 supply genuine Dayton components for your project.

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

Install the Dayton 7AU87 on a structurally sound roof curb with proper flashing. Assemble the unassembled square base per the manual, mount the fan securely, and connect the 208-230/460V AC motor to a dedicated circuit. Ensure belt tension is correct and the downblast discharge is unobstructed 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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