The Tunze Water Level Controller 5017 (which is included with the unit) is a simple display unit with indicator lights.
The controller is mounted within the dry side of your cabinet in a position which allows you to see the display at any time, and also in arms reach should to need to unplug it for any reason – and you will need to.
Ninety nine percent of the time, the controller will display a green light beside the ‘Level’ sign to signify all is well.
Should the water level rise beyond the required level, an alarm will sound and the ‘Too high’ display will glow red.
When the pump is actively refilling the tank, and orange display light will glow beside ‘Pump on’.
‘Too low’ indicates of course that the water level is lower than acceptable and will glow red.