The REB range of electronic fan speed controllers are manufactured specifically for S&P fans, and provide continuously variable fan speed control with via a manual dial, and on/off control via an illuminated rocker switch. They come complete with surface box for surface mounting only.
The REB controllers utilise a variable neutral. Please ensure they are wired according to the relevant wiring diagram.
*** All electrical equipment should be wired only by a suitably qualified electrician ***
All electronic controllers induce fan motor hum when operated at reduced speeds. For noise-sensitive applications an autotransformer controller may be more suitable.