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Dayton 18 inch commercial direct drive exhaust fan galvanized steel frame aluminum blades

Dayton

Dayton 18 in Commercial Direct Drive Exhaust Fan 115/230V

SKU CH-HS75-WTCHF

18-inch commercial direct-drive exhaust fan moves 498 cfm at 19.7 sones on 115/230 V power

  • typeCommercial Direct Drive
  • Moves up to 498 cfm at zero static pressure
  • Direct-drive motor eliminates belt wear and maintenance
  • Dual-voltage 115/230 V fits standard commercial wiring
  • 18-inch aluminum blades resist corrosion in humid spaces
  • Operates at 19.7 sones for quieter exhaust performance

Product Identity

The Dayton 18 inch Commercial Direct Drive Exhaust Fan is built for businesses and contractors who need to move large volumes of air through ductwork. Its direct-drive design eliminates belts and pulleys, reducing maintenance in commercial kitchens, warehouses and industrial spaces.

Airflow Capacity

At zero static pressure the fan delivers 498 cfm through an 18 1/2 inch duct connection. This single figure determines whether the unit can meet the ventilation requirements of your specific installation.

Sustained Operation

The direct-drive motor runs continuously at the rated 115/230V without the belt wear or tension loss that degrades belt-driven units over time. Noise remains at a steady 19.7 sones during extended use, providing predictable acoustic conditions for the workspace.

Highlights

  • Moves up to 498 cfm at zero static pressure
  • Direct-drive motor eliminates belt wear and maintenance
  • Dual-voltage 115/230 V fits standard commercial wiring
  • 18-inch aluminum blades resist corrosion in humid spaces
  • Operates at 19.7 sones for quieter exhaust performance

Specifications

BrandDayton
typeCommercial Direct Drive

Questions about this item

What does the 498 cfm rating mean when the fan is installed?

The fan moves 498 cubic feet of air per minute at zero static pressure, so actual airflow will drop once ductwork, grilles or filters add resistance.

How does the 115/230 V dual-voltage design affect installation?

The motor can be wired for either 115 V or 230 V single-phase supply, letting you match the circuit available on site without changing the fan.

What size opening and duct are needed for the 18-inch blade unit?

The blade diameter is 18 in and the duct connection is 18 1/2 in, so a rough opening and round duct of at least that diameter are required.

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