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DAYTON

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

  • Item # 4YU94
  • My Part #
  • Mfr. Model # 4YU94
  • Catalog Page # 3022
  • UNSPSC # 40101502
Downblast Less Drive Package,13-1/4In close
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  • Shipping Weight 65.0 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

Technical Specs

  • Item Downblast Ventilator
  • Drive Type - Roof Ventilators Belt Drive
  • Drive Package With Motor Included No
  • Duty Rating - Roof Ventilators Hazardous Location
  • Mounting Location - Roof Ventilators Roof
  • Base Square Size - Roof Ventilators 22" x 22"
  • Wheel Dia. 13-1/4"
  • Number of Speeds 1
  • CFM Range 1692 to 2093 @ 0.0" SP
  • Motor HP Range 1/4 to 1/2
  • Item - Roof Ventilators Downblast Ventilator
  • RPM Range 1395 to 1725
  • Base Height 1-3/4"
  • Overall Dia. 24-3/8"
  • Overall Height 24-7/8"
  • Shaft Dia. Wheel End 3/4"
  • Shaft Dia. Sheave End 3/4"
  • Bearing Type Sealed 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. 2ZV82
  • Adj. 6 3/8"H Roof Curb Stock No. 4C453
  • Recommended 12 In. Fixed Curb Item No. 2RB76
  • Recommended 8 In. Fixed Curb Item No. 4HX39
  • Recommended Damper Size (In.) 15 x 15
  • Recommended Damper Stock No. 4HX65
  • Requires Roof Curb For New Installations
  • Standards UL/cUL 705AMCA Sound & Air
  • Includes NEMA 1 Junction Box
  • Dimension A 22"
  • Dimension B 24-3/8"
  • Dimension C 24-7/8"
  • Dimension D 4-3/8"
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