Skip Content


42", Unassembled Downblast Ventilator, Belt-Drive

  • Item # 7AU98
  • My Part #
  • Mfr. Model # 7AU98
  • Catalog Page # 2960
  • UNSPSC # 40101502
42", Unassembled Downblast Ventilator, Belt-Drive close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $4,289.00 / each
Activate Now

to save with

Select AdvantageSM

This item requires special shipping, additional charges may apply.

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 559.58 lbs.
Country of Origin Varies 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.

View More

Technical Specs

  • Item Downblast Ventilator
  • Drive Type - Roof Ventilators Belt Drive
  • Duty Rating - Roof Ventilators Standard
  • Drive Package With Motor Included Yes
  • Voltage - Roof Ventilators 208/230/460
  • Motor HP - Roof Ventilators 5
  • Base Square Size - Roof Ventilators 52" x 52"
  • Number of Speeds 1
  • Mounting Location - Roof Ventilators Roof
  • Wheel Dia. 42"
  • Item - Roof Ventilators Downblast Ventilator
  • CFM @ 0.000-In. SP 21,222
  • CFM @ 0.125-In. SP 20663
  • CFM @ 0.250-In. SP 20,081
  • CFM @ 0.375-In. SP 19459
  • CFM @ 0.500-In. SP 18,826
  • CFM @ 0.625-In. SP 18046
  • CFM @ 0.750-In. SP 17,162
  • CFM @ 0.875-In. SP 16302
  • CFM @ 1.000-In. SP 15,254
  • CFM @ 1.250-In. SP 12,312
  • Sones @ 0.125-In. SP @ 5 Ft. 24
  • Sones @ 0.250-In. SP @ 5 Ft. 23
  • Sones @ 0.500-In. SP @ 5 Ft. 21
  • Phase 3
  • Hz 60
  • Max. Operating Amps 14.5-13.1/6.6
  • Max. BHP 4.98
  • RPM 515
  • Base Height 1-3/4"
  • Overall Dia. 65-1/4"
  • Overall Height 44"
  • Shaft Dia. Wheel End 1-1/4"
  • Max. Inlet Temp. 180 Degrees
  • Housing Material Spun Aluminum
  • Wheel Material Aluminum
  • Wheel Type Backward Inclined Centrifugal
  • Speed Controllable No
  • Adj. 12 3/8"H Roof Curb Stock No. 3C216
  • Adj. 6 3/8"H Roof Curb Stock No. 3C439
  • Assembled/Unassembled Unassembled
  • Recommended 12 In. Fixed Curb Item No. 5EFJ3
  • Agency Compliance UL/cUL 705, AMCA Sound & Air
  • Dimension A 52"
  • Dimension B 65-1/4"
  • Dimension C 44"
  • Dimension D 9-3/4"
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Alternate Search Terms

Related Products

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.