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631 — Steel 3-way Register, MS damper, 1/3" Fin Spacing

How to Specify

Provide the following information:

  • Model Number
  • Width
  • Height
  • Finish

How to Purchase

FAQs for GRDs

631 — Steel 3-way Register, MS damper, 1/3" Fin Spacing

Assets/Details

Submittal Data (60 KB, PDF)
Engineering Data (179 KB, PDF)
  • All-steel construction
  • Ideal for shallow duct installations
  • Used for ceiling or sidewall installations
  • For heating or cooling
  • Three-way deflection
  • 1/3" spaced fins set at 20 degrees
  • Multi-shutter valve
  • 1-5/8" depth when fully opened
  • Interlocking valve louvers for positive shut-off
  • Bright White finish

Available sizes (inches)

Height
Width810121416
4
6
8

 

631 — Steel 3-way Register, MS damper, 1/3" Fin Spacing