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98VOH/98VOHP — Steel Ventilation Grille, Gang Operated MS damper

How to Specify

Use the engineering data files to determine the proper size to use for maximum performance. Refer to the submittal drawing for key product dimensions.

How to Purchase

FAQs for GRDs

98VOH/98VOHP — Steel Ventilation Grille, Gang Operated MS damper

Assets/Details

Submittal Data (75 KB, PDF)
Engineering Data (435 KB, PDF)
Free Area Chart (41 KB, PDF)
  • Steel construction
  • Front bars are individually adjustable
  • Horizontal blades are gang-operated to deflect air up or down through face (no shut-off)
  • Handle manually operated
  • Bright White finish

98VOHP Ventilation Pulley Assembly

  • Pulley field-mounted only
  • Pulley assembly must be ordered separately
  • Pulley operation allows air deflection adjustments from floor
  • Two pulley assembly kits required for grilles over 24' wide

98VOH/98VOHP — Steel Ventilation Grille, Gang Operated MS damper - dimensional drawingHC 98VOHPDetail of optional pulley (98VOHP) for remote adjustment of deflection louvers. Field-installed center pulley over lever.

Available sizes (inches)

Height
Width1012141618202224262830323436
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36