Selection program


Roof fan-RFV

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This selection program is provided in cooperation with Venture Industries.

Roof fan-RFV


Fans for all types of general ventilation systems. Typical applications are:

  •  Ventilation of homes , offices
  •  Ventilation of libraries, conference rooms, classrooms, sound studios
  • Ventilation of public buildings, restaurants


  • Housing made of galvanised sheet steel
  • Fireproof sound insulation layer (M0 glass fibre) 50 mm thick
  • Galvanised steel impeller with forward curved blades
  • Connecting nozzles with round profile and rubber seals
  • Four mounting brackets
  • Can be installed in any position
  • Open casing for maintenance without removing the unit from the installation
  • ON-OFF switch on the unit housing

Electric motor

  • Vrushless EC motors, single-phase 230V, 50 / 60Hz
  • IP44 protection class
  • For setting the potentiometer Located on the cover of the power box
  • For adjustment by means of an external potentiometer (REB ECOWATT recommended)
  • With the ability to control the analogue 0-10V signal. 
  • Thermal winding overload protection

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