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demand-controlled-ventilation-MEV

GHN

HUMIDITY SENSITIVE EXHAUST UNIT FOR NATURAL AND HYBRID VENTILATION

Naturally effective extraction

How can wet rooms be effectively ventilated with allowance for the requirements and specific needs of natural (passive stack) ventilation? The GHN humidity sensitive exhaust unit is the perfect solution, as it adapts its airflow to variations in relative humidity. Its dimensions are compatible with the air cross-section of natural ventilation ducts and its design allows for perfect integration in bathroom and toilets.

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Humidity sensitive system: modulates the airflow according to the local relative humidity.

Easy to install: directly replace the old ventilation exhaust units, without modification of the hole.

Easy to maintain: no adjustment, simple yearly dusting.

Description
Characteristics
Schematic
Gallery
Documents

Suited to all situations

Four removable plates on the back of the GHN make it adaptable to different dimensions and hole configurations when installed in a bracket version. It is also possible to increase the maximum airflow up to 100 m3/h for a pressure of 10 Pa.

Simple mechanism for greater longevity

The GHN has a simple and robust humidity sensor that requires no maintenance and will retain all of its qualities for many years.

Exhaust unit   GHN spigot GHN bracket GFN spigot GFN bracket
Standard code   GHN736 GHN735 GFN850 GFN849
Airflow characteristics          
Humidity sensitive   ■ ■ – –
Airflow (min – max) @ 10 Pa m3/h 15-75 15-75 (100)* 100 100
Characteristics          
Weight g 315 270 238 174
Colour   white white white white
Material (main)**   ABS ABS ABS ABS
Installation          
Air duct compatibility mm ø125 min. 125×105 ø125 min. 125×105
Destination room   bathroom / toilets / bathroom with toilets / kitchen

■: standard
* Maximum airflow obtained by removing 4 plates at the back of the product.
** For products manufactured from the end of June 2017.

AIRFLOW / DIMENSIONS IN MM

GHN

Installation instructions – I2786_C
Compatible ventilation systems:

Hybrid ventilation

Natural ventilation

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References

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