3-in-1 solution

The 3-in-1 solution, type VVR, is a variable volume unit combined with a post-heater and an internally fitted attenuator.

This unit can be seen as the replacement of three individual components, being the volume unit, the post-heater and the attenuator.

Most important features:

  • Can also be set as a constant volume unit
  • Unit is available with several round supports or with a single round/rectangular support
  • Five models, suitable for air volumes from 57 to 1,768 m3/h
  • Low radiation and air-noise level
  • Low internal resistance

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