Model ABD-RB combines an automatic balancing damper (ABD) with the convenience of a factory-supplied register box. The ABD-RB can be configured for supply or exhaust applications and can mount in walls and ceilings. The ABD can mount on either the side or back of the register box.

  • Apartments and condominiums
  • Bathroom ventilation
  • Education buildings and dormitories
  • Hospitals and clinics
  • Hotels and motels
  • Nursing homes and assisted living