NuTone 57W Variable Speed Wall Control for Ventilation Fans, White
The NuTone 57W Variable Speed Wall Control for Ventilation Fans has a 120-volt, 3-amp capacity. Fits single-gang box for most common applications. Dial control knob for variable selection of speed and sound level has positive on/off action so you can select the precise ventilation level you need. Built-in radio noise suppressor for quiet operation. For use with all Broan fans within Amp rating except ceiling paddle fans. Do not use with impedance protected motor.