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GBP

HUMIDITY SENSITIVE EXHAUST UNIT FOR NATURAL AND HYBRID VENTILATION

The ideal solution to refurbish ventilation while keeping low-pressure operation

Specially adapted to work at low pressure, the GBP humidity sensitive exhaust unit is an ideal solution for the renovation of ventilation ductwork initially operating in natural ventilation. The GBP exhaust unit is available in several versions activated by a humidity sensitive sensor or by a pull cord, for implementation on collective or individual air ducts. Operating at pressures from about 15 to 30 Pa, it can be connected to a low-pressure exhaust fan or to a hybrid fan (VBP, VBP+). In addition to making it unnecessary to measure duct air-tightness, low-pressure operation offers the advantage of consuming considerably less energy than conventional mechanical exhaust ventilation, with quiet operation.

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Humidity controlled or pull cord activated airflow.

Low-pressure solution optimised for energy performance, with many versions available for different types of housing and rooms.

Completely silent operation.

Suitable for individual or collective natural ventilation ducts using an adapter plate.

Easy cleaning: removable shutter box and front cover.

Description
Characteristics
Schematic
Gallery
Documents

The ideal way to refurbish with low-pressure ventilation

The GBP exhaust unit is available in several versions, with airflow controlled by a fully automatic humidity sensor or by pull cord. Constant airflow versions are also available.

Easy to adapt to individual or collective natural ventilation ducts

Thanks to an adapter plate, the GBP exhaust unit fits easily over the holes of old ventilation exhaust units.

GBP ventilation exhaust unit   GBP h 10-42 GBP h 20-55 GBP c 10/30 GBP 30 GBP 15
Standard code   GBP446 GBP444 GBP443 GBP480 GBP479
Airflow characteristics            
Humidity sensitive   ■ ■ – – –
Boost airflow activated by pull cord*   – – ■ – –
Airflow (min.-max.) @ 15 Pa m3/h 10-42 20-55 10-30 30 15
Characteristics            
Colour   white
Material (main)   PS
Installation    
Connexion   bracket**
Air duct compatibility** mm on holes from l x h = [90 x 150] to l x h = [140 x 260]
Destination room   kitchen or bathroom kitchen or bathroom WC WC WC

■: standard
* Boost airflow timer = 30 min
** Refurbishment may require a BAHIA BH Aldes plate according to dimensions of the hole
Note: other settings (airflow / relative humidity) exist – please contact us.

AIRFLOW / DIMENSIONS IN MM

GBP

Installation instructions – D4701_B
GBP

Maintenance instructions – D4702_C
GBP

Product booklet – FLY483_V2
Compatible ventilation systems:

Hybrid ventilation

Natural ventilation
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