National Ventilation UMD100 In-Line Extractor Fan 100 mm / 4 Inch (Standard)

£44.95 Ex VAT

in stock


National Ventilation UMD100 In-Line Extractor Fan 100 mm / 4 Inch (Standard)

High quality unit which can be used for extraction and intake ventilation systems that require high pressure, powerful airflow with low noise levels.

Ideal solution for ventilation of rooms with high humidity such as bathrooms, kitchens, as well as ventilation for apartments, houses, shops, cafes and hydroponics situations etc


The motor is attached to the body of the fan by two quick release clips which enables the motor to rotate to provide connection for confined spaces and removal for maintenance without removing the whole fan or ducting. Two motor speeds selectable at installation.


The single phase ball bearing motor has two speeds and is equipped with Standard Thermal Overload Protection (STOP) with automatic reset. Motor protection rating IP X4 and fully speed controllable with an appropiate controller. Complies with Part F building regulations and designed for ambient temperatures up to 60°. Supply voltage 220-240v 50Hz.


The fan can be mounted in line or at either end of the duct run and at any angle, horizontally or vertically. Several fans can be mounted in parallel to increase the volume of air or in series to increase the pressure. The casing is fitted with a mounting plate. The mounting box can be rotated to be installed in any position for easy installation and connection.


(High) Extract rate 51.9 litres per second, 187m3 per hour. Sound output 35dB(A) @ 3m. 33 watts power consumption, 2,450 RPM
(Low) Extract rate 40.2 litres per second, 145m3 per hour. Sound output 28dB(A) @ 3m. 28 watts power consumption, 2,500 RPM


96mm diameter spigot
246mm length
195mm high
1.4kg weight


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