We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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 with a drive package, unassembled, featuring a 21 1/2-inch wheel and 4,759 cfm. It operates on 208-230/440V AC with a single-speed, open…

SKU 3G-OTH-79133

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Clean Air Belt-Drive Fans with Drive
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
7A662
Type
Includes Drive Pack, 4,759 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
2,000 to 4,999 cfm
Exhaust Airflow @ 0.500 in SP - Range
2,000 to 4,999 cfm
For High-Static Pressure Applications
No
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dayton Centrifugal Downblast Roof Exhaust Fan is a belt-drive clean air fan with a drive package, unassembled, featuring a 21 1/2-inch wheel and 4,759 cfm. It operates on 208-230/440V AC with a single-speed, open dripproof motor and standard-efficiency motors. This square-base roof-mounted unit 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?

This Dayton belt-drive fan is designed for clean-air roof exhaust applications, such as removing stale air, odors, or heat from industrial or commercial buildings. It is not intended for high-static-pressure systems. The 4,759 cfm airflow and 21 1/2-inch wheel suit general ventilation where moderate exhaust volume is needed.

What are the specifications of the Dayton 7A662 roof exhaust fan?

The Dayton 7A662 is a belt-drive downblast fan with a 21 1/2-inch wheel, 4,759 cfm, and a square base. It includes a drive package, operates on 208-230/440V AC, and has an open dripproof, single-speed, standard-efficiency motor. The unit is unassembled and mounts on the roof, not for high-static-pressure use.

Where to buy the Dayton 7A662 roof exhaust fan worldwide?

3G Electric supplies the Dayton 7A662 Centrifugal Downblast Roof Exhaust Fan to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this fan to any international location.

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

Installation requires assembling the unassembled fan per Dayton's manual, mounting it on a roof curb with a square base, and connecting the 208-230/440V AC power to the open dripproof motor. Ensure proper belt tension on the drive package and verify airflow direction. Use a licensed electrician and follow local 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 5,677 cfm (MPN 7A660). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 5,677 cfm (MPN 7A660). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 4,261 cfm (MPN 7A661). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 4,261 cfm (MPN 7A661). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 6,640 cfm (MPN 7A665). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 6,640 cfm (MPN 7A665). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 3/4 in Wheel, 4,062 cfm (MPN 7A562). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/208-230V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 16 3/4 in Wheel, 4,062 cfm (MPN 7A562). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/208-230V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,608 cfm (MPN 7A658). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,608 cfm (MPN 7A658). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 5,340 cfm (MPN 7A663). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 21 1/2 in Wheel, 5,340 cfm (MPN 7A663). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.

More from Dayton

View all Dayton parts
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,102 cfm (MPN 7A657). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,102 cfm (MPN 7A657). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Axial Upblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 17,455 cfm, TEFC, 1 1/2 hp, 115/208-230V AC (MPN 7A863). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Dayton
Axial Upblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 17,455 cfm, TEFC, 1 1/2 hp, 115/208-230V AC (MPN 7A863). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7AX50). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/230V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7AX50). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/230V AC.
DAYTON Tubeaxial Fan: Clean Air, 42 in Blade, 25,320 cfm @ 0.000 in SP, 230V AC, 1 Phase, Belt Drive (MPN 7AG16). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Dayton
DAYTON Tubeaxial Fan: Clean Air, 42 in Blade, 25,320 cfm @ 0.000 in SP, 230V AC, 1 Phase, Belt Drive (MPN 7AG16). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Axial Upblast Roof Exhaust Fan: Belt Drive, 42 in Blade, 23,987 cfm, ODP, 2 hp, 115/208-230V AC, 1 (MPN 7HZ28). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Dayton
Axial Upblast Roof Exhaust Fan: Belt Drive, 42 in Blade, 23,987 cfm, ODP, 2 hp, 115/208-230V AC, 1 (MPN 7HZ28). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7A652). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7A652). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
DAYTON Tubeaxial Fan: Clean Air, 12 in Blade, 1,904 cfm @ 0.000 in SP, 115/208-230V AC, 1 Phase (MPN 7F927). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Dayton
DAYTON Tubeaxial Fan: Clean Air, 12 in Blade, 1,904 cfm @ 0.000 in SP, 115/208-230V AC, 1 Phase (MPN 7F927). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Axial Upblast Roof Exhaust Fan: Belt Drive, 60 in Blade, 58,455 cfm, TEFC, 7 1/2 hp, 230V AC, 1 (MPN 7A910). Key specifications — Number of Speeds: 1; Nameplate Voltage: 230V AC; Brand: DAYTON.
Dayton
Axial Upblast Roof Exhaust Fan: Belt Drive, 60 in Blade, 58,455 cfm, TEFC, 7 1/2 hp, 230V AC, 1 (MPN 7A910). Key specifications — Number of Speeds: 1; Nameplate Voltage: 230V AC; Brand: DAYTON.