If you want a simple to use and uncomplicated controller for your extractor fan, this excellent device from GSE certainly ticks all the right boxes! It provides you with a no-nonsense approach to fan speed management, whereby you use the two dials to set the minimum fan speed and the desired temperature setting.

The minimum speed controller is a temperature depended speed controller for ventilated rooms with one ore more fans. The minimum speed controller keeps the temperature constantly and impedes to run under the set minimum-speed. It can be easily controlled, adjusting the required temperature and the minimum speed on two knobs.
The controller comes as a finished part and is ready to use. This reliable fan controller comes complete with a sealed water resistant cover, plugs with flap-lids and a low voltage sensor making it perfect for humid rooms. The sensor comes with a 4 metre long cable and can be extended up to 50 metres.