Details
Airflow m³/h
220m³/h
Applicable Area
Bathroom, Kitchen, Laundry Room, Toilet
Backdraft Shutter
Yes
Bathroom Zones
1
Collection Name
Centrif Duo
Duct Diameter
100mm
Extractor Fan Type
Centrifugal
Fan Diameter
4 Inch
Finish/Colour
White
GTIN (Barcode)
5015135461201
Humidistat
Yes
IP Rating
IPX4
MPN
256420
Mounting Options
Panel, Wall
Max Noise Level
38dB
Number of Speeds
2
Power Consumption
41W
Pull Cord
Yes
Voltage
240V
Dimensions
Depth
137mm
Height
261mm
Weight
1.75kg
Width
231mm
Downloads
centri-duo-info-sheet
Vent-Axia Centrif Duo 100mm (4") Extractor Fan, Humidistat & Timer - 256420
SKU: 256420
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Details
Airflow m³/h
220m³/h
Applicable Area
Bathroom, Kitchen, Laundry Room, Toilet
Backdraft Shutter
Yes
Bathroom Zones
1
Collection Name
Centrif Duo
Duct Diameter
100mm
Extractor Fan Type
Centrifugal
Fan Diameter
4 Inch
Finish/Colour
White
GTIN (Barcode)
5015135461201
Humidistat
Yes
IP Rating
IPX4
MPN
256420
Mounting Options
Panel, Wall
Max Noise Level
38dB
Number of Speeds
2
Power Consumption
41W
Pull Cord
Yes
Voltage
240V
Dimensions
Depth
137mm
Height
261mm
Weight
1.75kg
Width
231mm
Downloads
centri-duo-info-sheet
Product Information
This fan features a 100mm circular spigot and is designed for surface mounting into standard ducting for rooms such as kitchens, utility rooms or larger bathrooms. It is part of the “Centrif Duo” range by Vent‑Axia and uses a centrifugal impeller design to deliver stronger extraction through duct runs.
Its key functional features include an integral humidistat (which senses relative humidity and automatically switches to boost mode) and a pull-cord or switch live option for manual override. The product supports selectable two-speed boost settings (for "kitchen" or "utility" mode at installation), and offers the option of a continuous trickle speed setting.
From a performance standpoint, one data sheet lists the high boost mode at around 220 m³/h (≈ 61 l/s) with noise of ~51.8 dB(A) at 3 m; medium mode around 130 m³/h (≈36 l/s) and ~38 dB(A); and minimum/standby around 90 m³/h (≈25 l/s) and ~21.5 dB(A) in quiet mode. It is IPX4 rated (suitable for wet zones), incorporates a built-in back-draught shutter, and the motor uses greased-for-life bearings allowing installation at any angle.
Delivery Information
Free Delivery on All Orders Over £50.
This Excludes Delivery to the Scottish Highlands, Offshore Islands and Northern Ireland.
For more information, please see our Delivery details.
Vent-Axia Centrif Duo 100mm (4") Extractor Fan, Humidistat & Timer - 256420 (256420)