Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive - Belt-Drive Blower without Drive
DaytonBelt-Drive Blower without Drive

Dayton Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive

The Dayton Plenum Fan (MPN 508225) is a belt-drive blower without drive, featuring an 18 1/2 in wheel diameter and a backward-curved wheel type. It is supplied unassembled and supports airflow from 1,659 cfm to 4,302…

SKU 3G-OTH-73671

Brand
Dayton
Item
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive
Category
Belt-Drive Blower without 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
508225
Type
Belt Drive, For 1,659 cfm to 4,302 cfm Airflow (Dependent on Motor)
Assembly
Unassembled
Wheel Type
Backward-Curved
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 Plenum Fan (MPN 508225) is a belt-drive blower without drive, featuring an 18 1/2 in wheel diameter and a backward-curved wheel type. It is supplied unassembled and supports airflow from 1,659 cfm to 4,302 cfm, dependent on the motor.

Frequently Asked Questions

What is a Dayton plenum fan used for?

A Dayton plenum fan is used in HVAC and industrial ventilation systems to move air against moderate static pressure. Its backward-curved wheel design makes it suitable for clean-air applications like supply or exhaust in commercial buildings, factories, and clean rooms.

What are the specifications of the Dayton 508225 plenum fan?

The Dayton 508225 plenum fan has an 18 1/2 in wheel diameter, belt drive, and backward-curved wheel type. It delivers 1,659 cfm to 4,302 cfm airflow depending on the motor. The unit is supplied unassembled and requires a separate motor and drive.

Where to buy a Dayton plenum fan worldwide?

3G Electric supplies the Dayton plenum fan (MPN 508225) 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 blower without drive.

How to install a Dayton belt-drive plenum fan?

Install the Dayton plenum fan by mounting the unassembled housing securely, then fitting the backward-curved wheel onto the shaft. Align and tension the belt drive per the motor manufacturer's instructions. Ensure proper duct connections and electrical safety before startup.

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 belt-drive blower without 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
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive, With Drive, 4,302 cfm @ 0.250 in SP, TEFC, 1 Ph (MPN 7AL43). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 115/208-230V AC.
Dayton
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive, With Drive, 4,302 cfm @ 0.250 in SP, TEFC, 1 Ph (MPN 7AL43). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 115/208-230V AC.
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive, With Drive, 3,332 cfm @ 0.250 in SP, ODP, 1 Ph, 3/4 hp (MPN 7AL34). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Open Dripproof; Nameplate Voltage: 115/208-230V AC.
Dayton
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive, With Drive, 3,332 cfm @ 0.250 in SP, ODP, 1 Ph, 3/4 hp (MPN 7AL34). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Open Dripproof; Nameplate Voltage: 115/208-230V AC.
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive, With Drive, 3,332 cfm @ 0.250 in SP, TEFC, 115/230V AC (MPN 7AL35). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 115/230V AC.
Dayton
Plenum Fan: 18 1/2 in Wheel Dia, Belt Drive, With Drive, 3,332 cfm @ 0.250 in SP, TEFC, 115/230V AC (MPN 7AL35). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 115/230V AC.
Plenum Fan: 22 in Wheel Dia, Belt Drive, With Drive, 9,447 cfm @ 0.250 in SP, TEFC, 230V AC, 1 Ph (MPN 7AL85). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 230V AC.
Dayton
Plenum Fan: 22 in Wheel Dia, Belt Drive, With Drive, 9,447 cfm @ 0.250 in SP, TEFC, 230V AC, 1 Ph (MPN 7AL85). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 230V AC.
Plenum Fan: 22 in Wheel Dia, Belt Drive, With Drive, 8,210 cfm @ 0.250 in SP, TEFC, 230V AC, 1 Ph (MPN 7AL82). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 230V AC.
Dayton
Plenum Fan: 22 in Wheel Dia, Belt Drive, With Drive, 8,210 cfm @ 0.250 in SP, TEFC, 230V AC, 1 Ph (MPN 7AL82). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled; Motor Enclosure: Totally Enclosed Fan Cooled; Nameplate Voltage: 230V AC.

More from Dayton

View all Dayton parts
Plenum Fan: 27 3/8 in Wheel Dia, Belt Drive (MPN 508229). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 27 3/8 in Wheel Dia, Belt Drive (MPN 508229). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Plenum Fan: 22 in Wheel Dia, Belt Drive, For 3,229 cfm to 8,816 cfm Airflow (Dependent on Motor) (MPN 508227). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 22 in Wheel Dia, Belt Drive, For 3,229 cfm to 8,816 cfm Airflow (Dependent on Motor) (MPN 508227). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Plenum Fan: 30 1/2 in Wheel Dia, Belt Drive (MPN 508230). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 30 1/2 in Wheel Dia, Belt Drive (MPN 508230). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Plenum Fan: 13 1/2 in Wheel Dia, Belt Drive, For 695 cfm to 2,233 cfm Airflow (Dependent on Motor) (MPN 508223). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 13 1/2 in Wheel Dia, Belt Drive, For 695 cfm to 2,233 cfm Airflow (Dependent on Motor) (MPN 508223). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Plenum Fan: 15 in Wheel Dia, Belt Drive, For 1,133 cfm to 3,272 cfm Airflow (Dependent on Motor) (MPN 508224). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 15 in Wheel Dia, Belt Drive, For 1,133 cfm to 3,272 cfm Airflow (Dependent on Motor) (MPN 508224). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Plenum Fan: 22 in Wheel Dia, Belt Drive, For 1,644 cfm to 5,420 cfm Airflow (Dependent on Motor) (MPN 508226). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 22 in Wheel Dia, Belt Drive, For 1,644 cfm to 5,420 cfm Airflow (Dependent on Motor) (MPN 508226). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Plenum Fan: 24 1/2 in Wheel Dia, Belt Drive (MPN 508228). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.
Dayton
Plenum Fan: 24 1/2 in Wheel Dia, Belt Drive (MPN 508228). Key specifications — Brand: DAYTON; Wheel Type: Backward-Curved; Assembly: Unassembled.