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

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

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 4YC66) is a direct-drive, assembled clean air fan with a square base and a 10 1/2-inch wheel, delivering 717 cfm. It includes a drive package, features an open…

SKU 3G-OTH-79003

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Direct Drive, Includes Drive Pack
Category
Clean Air Direct-Drive Fans
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Technical Specifications

Dayton
Manufacturer Part Number
4YC66
Type
Includes Drive Pack, 717 cfm
Wheel
10 1/2 in
Assembly
Assembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Open Air Over
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
115V AC
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP - Range
0 to 1,999 cfm
For High-Static Pressure Applications
No
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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 4YC66) is a direct-drive, assembled clean air fan with a square base and a 10 1/2-inch wheel, delivering 717 cfm. It includes a drive package, features an open air-over motor enclosure with standard-efficiency motors, and operates on 115V AC at a single speed. This roof-mounted unit is not designed 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 4YC66 centrifugal downblast roof exhaust fan used for?

The Dayton 4YC66 is a direct-drive roof exhaust fan designed for clean air applications. It moves 717 cfm at 0.000 in static pressure, making it suitable for general ventilation in commercial or industrial buildings where high static pressure is not required.

What are the specifications of the Dayton 4YC66 roof exhaust fan?

The Dayton 4YC66 has a 10 1/2-inch wheel, delivers 717 cfm, and operates on 115V AC single-phase power. It includes a drive package, has an open air-over motor enclosure with standard-efficiency motors, and is assembled with a square base for roof mounting.

Where to buy the Dayton 4YC66 roof exhaust fan worldwide?

3G Electric supplies the Dayton 4YC66 centrifugal downblast roof exhaust fan to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a Dayton 4YC66 roof exhaust fan?

Install the Dayton 4YC66 on a roof curb or structural support, ensuring the square base is level and sealed. Connect 115V AC power to the open air-over motor per local codes. Secure the fan against wind loads and verify unobstructed airflow before 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 direct-drive fans. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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