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Bahia Curve S B31 humidity sensitive extract unit without cask 5-45 m3/h

58,50 incl tax
In stock
Delivery in 24/48 hours

Payment in 3x without fees available for any order of 350€incl tax or more.

Brand :  ALDES
Ref. : VB885
Weight : 0.3 kg

Product description

These humidity sensitive extract units modulate the extracted airflow according to the relative humidity in the rooms, and provide temporal management of the additional extract airflow.
The system’s extract units meet regulatory requirements while combining aesthetics and technical features.

Product benefits :

  • The B31 Curve S provides a continuous airflow between 5 and 45 m³/h.
  • Humidity sensitive extract unit without casing
  • Constant basic airflow or as a function of humidity levels
  • For the bathroom


  • Model: Bahia Curve S B31 humidity sensitive extract unit Barrelless 5-45 m3/h
  • Brand: ALDES
  • Supplier reference: 11015028
  • Function : Humidity sensitive extract unit for bathroom (B31)
  • Material and colour : white ABS
  • Airflow : from 5 to 45 m³/h
  • Without additional timed airflow
  • Diameter of the extract unit : Without barrel
  • Relative humidity: 45-85
  • Hygro A housing: F1 to F4
  • Accommodation Hygro B: F1 to F2
  • Hygro Gas housing: F1 to F2
  • Applications: residential and commercial, new build and renovation

Dimensions :

  • Width: 155 mm
  • Height: 155 mm
  • Depth: 66 mm


  • Extract units for bathrooms and for humidity sensitive single and dual flow ventilation systems
  • Barrelless
  • Possibility of attaching a sleeve
  • Pressure range: 80-160 Pa
  • Wall or ceiling installation
  • Sleeve compatible with all brands
  • Replaces an old vent in a single step


  • Extraction
  • Insufflation
  • For use with single or dual flow VMC
  • Humidity sensitive A, B and gas


  • Can be dismantled for easy maintenance: control sub-assembly can be easily clipped on and off
  • Dishwasher safe (removable part)


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