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ST
DAYTON

Assembled Upblast Ventilator, 8-1/4" Wheel Dia., Direct-Drive

  • Item # 4HZ32
  • My Part #
  • Mfr. Model # 4HZ32
  • Catalog Page # 2957
  • UNSPSC # 40101502
Assembled Upblast Ventilator, 8-1/4" Wheel Dia., Direct-Drive close
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  • Shipping Weight 23.35 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

3-speed ventilator provides 30% useable turndown on any RPM. UL 705 Listed for Power Ventilators. Motor, drive frame, and blower wheel are isolated from base for long life and quiet operation.

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Technical Specs

  • Item Upblast Ventilator
  • Drive Type - Roof Ventilators Direct Drive
  • Drive Package With Motor Included Yes
  • Base Square Size - Roof Ventilators 19" x 19"
  • Duty Rating - Roof Ventilators Standard
  • Voltage - Roof Ventilators 115
  • Motor HP - Roof Ventilators 1/30
  • Mounting Location - Roof Ventilators Roof
  • Number of Speeds 3
  • Wheel Dia. 8-1/4"
  • Item - Roof Ventilators Upblast Ventilator
  • CFM @ 0.000-In. SP 180/223/266
  • CFM @ 0.125-In. SP 109/170/222
  • CFM @ 0.250-In. SP -/97/172
  • CFM @ 0.375-In. SP -/-/95
  • 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. 2.0/3.1/4.2
  • Sones @ 0.250-In. SP @ 5 Ft. -/2.9/4.1
  • Sones @ 0.500-In. SP @ 5 Ft. -/-/3.9
  • Assembled/Unassembled Assembled
  • Phase 1
  • Hz 60
  • Max. Operating Amps 0.68/0.92/1.30
  • Max. BHP 0.01/0.02/0.03
  • RPM 1550/1300/1050
  • Base Height 1-3/4"
  • Overall Dia. 18-3/8"
  • Shaft Dia. Wheel End 5/16"
  • Overall Height 13-1/2"
  • Max. Inlet Temp. 130 Degrees
  • Housing Material Spun Aluminum
  • 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
  • Dimension A 19"
  • Dimension B 18-3/8"
  • Dimension C 13-1/2"
  • Dimension D 11-3/8"
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