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684/A684 — Steel/Aluminum 4-way Register, MS damper, 1/2" Fin Spacing

How to Specify

Provide the following information:

  • Model Number
  • Width
  • Height
  • Finish

How to Purchase

FAQs for GRDs

684/A684 — Steel/Aluminum 4-way Register, MS damper, 1/2" Fin Spacing

Assets/Details

Engineering Data (149 KB, PDF)
A680 Sell Sheet (454 KB, PDF)
  • All-steel construction (684)
  • Aluminum construction (A684)
  • Used for ceiling or sidewall installations
  • Ideal for shallow duct installations
  • Plastic handles
  • Four-way deflection
  • 1/2" spaced fins set at 40 degrees
  • Multi-shutter valve
  • 1-5/8" depth when fully opened
  • Interlocking valve louvers for positive shut-off
  • Listed heights 10" and larger require double valves
  • Bright White finish

Available sizes (inches)

Height
Width6810121416
6
8
10
12
14
16

 

684/A684 — Steel/Aluminum 4-way Register, MS damper, 1/2" Fin Spacing - Dimensional Drawing