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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 7A663) is a belt-drive clean air fan with a square base, designed for roof mounting. It includes a drive package and an open dripproof, standard-efficiency motor…

SKU 3G-OTH-81015

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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Technical Specifications

Dayton
Manufacturer Part Number
7A663
Type
Includes Drive Pack, 5,340 cfm
Wheel
21 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
208-230/440V 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
2,000 to 4,999 cfm
For High-Static Pressure Applications
No
View Full Spec Sheet

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

Product Description

The DAYTON Centrifugal Downblast Roof Exhaust Fan (SKU 7A663) is a belt-drive clean air fan with a square base, designed for roof mounting. It includes a drive package and an open dripproof, standard-efficiency motor with a single speed, rated at 208-230/440V AC. The fan delivers 5,340 cfm with a 21 1/2 in wheel, and is not intended 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 7A663 centrifugal downblast roof exhaust fan used for?

The DAYTON 7A663 is a belt-drive clean air fan designed for roof-mounted general ventilation. It exhausts air from commercial or industrial spaces, such as warehouses or factories, where moderate static pressure and standard-efficiency airflow are acceptable. It is not intended for high-static-pressure applications.

What are the specifications of the DAYTON 7A663 roof exhaust fan?

The DAYTON 7A663 is an unassembled, belt-drive fan with a 21 1/2 in wheel delivering 5,340 cfm. It has a square base, open dripproof motor enclosure, and a single-speed motor rated at 208-230/440V AC. The drive package is included. It is not for high-static-pressure use.

Where to buy the DAYTON 7A663 roof exhaust fan worldwide?

You can source the DAYTON 7A663 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 sourcing for this belt-drive fan.

How to install the DAYTON 7A663 belt-drive roof exhaust fan?

Installation requires assembling the unassembled fan, mounting it on a roof curb, and connecting the 208-230/440V AC motor per local codes. Ensure the belt drive is tensioned correctly and the wheel rotates freely. Follow generic best practices for roof exhaust fans and consult a qualified electrician.

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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