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Upblast Ventilator,Wheel 8-1/4 In,115V close
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Upblast Ventilator, Wheel 8-1/4 In, 115V

Price $456.75 / each

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  • Item # 4HZ33
  • Mfr. Model # 4HZ33
  • NSN # 4140-01-313-3826
  • UNSPSC # 40101502
  • Catalog Page # 4139
  • Shipping Weight 35.0 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 Upblast Ventilator
  • Drive Type Direct
  • Number of Speeds 3
  • Wheel Dia. 8-1/4"
  • CFM @ 0.000-In. SP 287/356/424
  • CFM @ 0.125-In. SP 188/279/359
  • CFM @ 0.250-In. SP -/185/291
  • CFM @ 0.375-In. SP -/-/204
  • CFM @ 0.500-In. SP -/-/-
  • CFM @ 0.625-In. SP -/-/-
  • CFM @ 0.750-In. SP -/-/-
  • CFM @ 0.875-In. SP -/-/-
  • CFM @ 1.000-In. SP -/-/-
  • CFM @ 1.250-In. SP -/-/-
  • CFM @ 1.500-In. SP -/-/-
  • Sones @ 0.125-In. SP @ 5 Ft. 2.7/3.7/5.3
  • Sones @ 0.250-In. SP @ 5 Ft. -/3.4/4.9
  • Sones @ 0.500-In. SP @ 5 Ft. -/-/-
  • Assembled Yes
  • Motor Voltage 115
  • Phase 1
  • Hz 60
  • Max. Operating Amps 0.88/1.40/1.58
  • Motor HP 1/25
  • Max. BHP -/3.4/4.9
  • RPM 1550/1300/1050
  • Base Length 19"
  • Base Height 1-3/4"
  • Overall Dia. 18-3/8"
  • Base Width 19"
  • Shaft Dia. Wheel End 5/16"
  • Overall Height 13-1/2"
  • Max. Inlet Temp. 130 Degrees
  • Housing Material Spun Aluminum
  • Mounting Location Roof
  • Wheel Material Aluminum
  • Speed Control 48C172
  • Speed Controllable Yes
  • Recommended 12 In. Fixed Curb Item No. 2RB75
  • Recommended 8 In. Fixed Curb Item No. 4HX38
  • Adj. 12 3/8"H Roof Curb Stock No. 2ZV82
  • Adj. 6 3/8"H Roof Curb Stock No. 4C453
  • Requires Roof Curb For New Installation
  • Includes NEMA 1 Junction Box
  • Standards UL/cUL 705, AMCA Sound and Air, CSA Certified Motor
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Compliance and Restrictions



Dayton ventilators are designed for continuous operation to exhaust foul air, fumes, odors and grease-laden vapors. Weather resistant ventilators feature a galvanized metal motor base and supports. Motor compartment is cooled by fresh outside air. Units are speed controllable for UL/cUL 705 applications only. Motors are UL Listed for Class I, Groups CandD and Class II, Groups FandG for hazardous locations.

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Repair Parts

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  • 4HZ33G

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