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13-3/4", Assembled Downblast Ventilator, Direct-Drive

  • Item # 4YC71
  • Mfr. Model # 4YC71
  • Catalog Page # 3024
  • UNSPSC # 40101502
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  • Shipping Weight 53.0 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

Dayton ventilators are designed for continuous operation to exhaust general clean, foul air and odors. Typically used for short and/or average resistance duct work. Weather resistant ventilators feature housings constructed of heavy gauge aluminum with a rigid internal support structure, spun aluminum curb cap, a birdscreen and a steel drive frame. All ventilators are UL/cUL listed Standard 705.

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Technical Specs

  • Item Downblast Ventilator
  • Drive Type - Roof Ventilators Direct Drive
  • Duty Rating - Roof Ventilators Standard
  • Drive Package With Motor Included Yes
  • Voltage - Roof Ventilators 115/230
  • Motor HP - Roof Ventilators 1/2
  • Base Square Size - Roof Ventilators 22" x 22"
  • Number of Speeds 1
  • Mounting Location - Roof Ventilators Roof
  • Wheel Dia. 13-3/4"
  • Item - Roof Ventilators Downblast Ventilator
  • CFM @ 0.000-In. SP 2448
  • CFM @ 0.125-In. SP 2393
  • CFM @ 0.250-In. SP 2338
  • CFM @ 0.375-In. SP 2281
  • CFM @ 0.500-In. SP 2220
  • CFM @ 0.625-In. SP 2159
  • CFM @ 0.750-In. SP 2089
  • CFM @ 0.875-In. SP 2018
  • CFM @ 1.000-In. SP 1935
  • CFM @ 1.250-In. SP 1746
  • CFM @ 1.500-In. SP 1474
  • Sones @ 0.125-In. SP @ 5 Ft. 17.0
  • Sones @ 0.250-In. SP @ 5 Ft. 16.7
  • Phase 1
  • Hz 60
  • Max. Operating Amps 6.0/3.0
  • Max. BHP 0.60
  • RPM 1725
  • Base Height 1-3/4"
  • Overall Dia. 28-3/8"
  • Overall Height 23-3/4"
  • Shaft Dia. Wheel End 1/2"
  • Max. Inlet Temp. 130 Degrees
  • Housing Material Spun Aluminum
  • Wheel Material Aluminum
  • Wheel Type Backward Inclined Centrifugal
  • Speed Controllable 115V Only
  • Adj. 12 3/8"H Roof Curb Stock No. 2ZV82
  • Adj. 6 3/8"H Roof Curb Stock No. 4C453
  • Assembled/Unassembled Assembled
  • Recommended 12 In. Fixed Curb Item No. 2RB76
  • Recommended 8 In. Fixed Curb Item No. 4HX39
  • Agency Compliance AMCA Sound & Air, UL/cUL 705, CSA Certified Motor
  • Dimension A 22"
  • Dimension B 28-3/8"
  • Dimension C 23-3/4"
  • Dimension D 4"
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