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C3
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DAYTON

Downblast Ventilator, Belt, Roof, Motor HP Range 1/4 to 2

  • Item # 5EFH8
  • Mfr. Model # 5EFH8
  • Catalog Page # 3022
  • UNSPSC # 40101502
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  • Shipping Weight 123.0 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This exhaust ventilator is designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Rugged and reliable construction makes fan capable of withstanding severe exhaust conditions. This ventilator's spun aluminum construction features a fully rolled windband bead for increased stability and easy transport. Fresh outside air is drawn in under the motor cover to maximize motor life. Drive frame is internally isolated from the rest of the unit through use of neoprene isolators for long life and quiet operation; no steel-to-steel contact. Motors, sheaves, and belts are packed separately when complete, unassembled ventilator with drive package is ordered.

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Technical Specs

  • Item Downblast Ventilator
  • Drive Type - Roof Ventilators Belt Drive
  • Drive Package With Motor Included No
  • Duty Rating - Roof Ventilators Standard
  • Mounting Location - Roof Ventilators Roof
  • Base Square Size - Roof Ventilators 34" x 34"
  • Wheel Dia. 24-1/2"
  • Number of Speeds 1
  • CFM Range 3799 to 7485 @ 0.0" SP
  • Motor HP Range 1/4 to 2
  • Item - Roof Ventilators Downblast Ventilator
  • RPM Range 500 to 985
  • Base Height 1-3/4"
  • Overall Dia. 38-3/8"
  • Overall Height 38-3/8"
  • Shaft Dia. Wheel End 1"
  • Shaft Dia. Sheave End 1"
  • Bearing Type Regreasable Pillow Block
  • Max. Inlet Temp. 180 Degrees
  • Housing Material Spun Aluminum
  • Wheel Material Aluminum
  • Wheel Type Backward Inclined Centrifugal
  • Adj. 12 3/8"H Roof Curb Stock No. 2ZV84
  • Adj. 6 3/8"H Roof Curb Stock No. 3C438
  • Recommended 12 In. Fixed Curb Item No. 2RB80
  • Recommended 8 In. Fixed Curb Item No. 4HX42
  • Recommended Damper Size (In.) 27 x 27
  • Recommended Damper Stock No. 4HX68
  • Requires Roof Curb For New Installations
  • Standards UL/cUL 705AMCA Sound & Air
  • Includes NEMA 1 Junction Box
  • Dimension A 34"
  • Dimension B 42-3/4"
  • Dimension C 38-3/8"
  • Dimension D 5-3/4"
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