Single Duct

Single-duct terminal units control the volumetric flow of supply air to the space to maintain the zone temperature at setpoint. These units are generally applied in cooling-only VAV zones that require no heat during occupied hours. If local zone heat is necessary it can be provided either remotely (for example, perimeter heat) or by terminal reheat (either electric or hot water coils).


  • Interlocking panel design provides the most rugged VAV unit available.
  • Metal encapsulated edges limit fiberglass insulation erosion into the airstream.
  • Averaging flow ring sensor accurately measures airflow at any inlet duct condition.
  • Pneumatic, electronic, or digital controls available.
  • Compatible with most controllers for field or factory installation.
  • Digital controls allow Tracer™ building management system interface for Integrated Comfort™ systems (ICS) capability.
  • Cooling only (VCCF), hot water reheat (VCWF), or electric reheat (VCEF) units available.

For Technical Specifications, please refer to the Catalog or Installation documents on the Literature tab.

  • Brochure
      • VariTrane™ Sales - 4 page VAV-SLB004-EN
      • VariTrane™ Sales - 2 page VAV-SLB005-EN
      • Delivered VAV VAV-SLB009-EN
      • Diffusers VAV-SLB001-EN
  • Catalog
      • Single Duct VAV-PRC011*-EN
  • Installation Operation Maintenance (IOMs)
      • Single Duct VAV-SVX08*-EN
      • UCM 4.2 VAV-SVX01*-EN
      • VariTrane™ Pneumatic Controls VAV-SVX02*-EN
      • Digital Zone Sensor VAV-SVN05*-EN
      • Tracer™ UC400 VAV-SVX07*-EN
  • Programming Guide
      • VV550 LonTalk™ Controller VAV-SVP01*-EN