Blower, Inline Duct

  • Item # 7H721
  • My Part #
  • Mfr. Model # 7H721
  • Catalog Page # 2979
  • UNSPSC # 40101601
Blower, Inline Duct 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 $1,185.28 / 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 104.15 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

Centrigual in-line duct model has an internal air mover and a quiet, forward-curved, ball bearing, double inlet blower. Access panel allows convenient motor and drive installation and servicing from either side. 1/2" internal fiberglass insulation helps isolate noise and overcome condensation on cabinet when used in cooling applications. Use indoors with clean-air heating, cooling, and ventilating systems. Up to 25% blower speed and cfm reduction using variable pitch motor sheaves when ordered with motor and drives.

View More

Technical Specs

  • Item Blower
  • Type With Drive Package
  • Wheel Dia. (In.) 11-9/16
  • CFM @ 0.125-In. SP 2190
  • CFM @ 0.250-In. SP 2045
  • CFM @ 0.375-In. SP 1855
  • CFM @ 0.500-In. SP 1495
  • Sones @ 0.125-In. SP @ 5 Ft. 11.2
  • Sones @ 0.250-In. SP @ 5 Ft. 10.6
  • Max. Ambient Temp. (F) 140
  • Max. Inlet Temp. (Deg. F) 140
  • Voltage 115/230
  • Hz 60
  • Phase Single
  • Full Load Amps 7.8/3.9
  • Motor HP 1/2
  • Motor Type Capacitor Start
  • Motor Enclosure Open Dripproof
  • Motor RPM 1725
  • Blower RPM 759
  • Bearing Type Ball
  • Height (In.) 20
  • Width (In.) 22-1/4
  • Max. Depth (In.) 24-3/4
  • Discharge Height (In.) 11-3/8
  • Discharge Width (In.) 13-1/8
  • Number of Mounting Points 4
  • Bolt Hole Dia. (In.) 7/8
  • Mounting Position All With Shaft Horizontal
  • Wheel Type Forward Curve
  • Wheel Material Steel
  • Shaft Dia. (In.) 3/4
  • Housing Material Steel
  • Housing Finish Green Baked Enamel
  • Filter Height (In.) 18-3/4
  • Filter Width (In.) 21-1/8
  • Filter Factor 0.160
  • Filter Rack Stock No. 3F539
  • Assembled/Unassembled Unassembled
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.