Aqua Medic DrainTuna is a electronic water level control for the weir box. In combination with the pumps of the DC Runner x.2 and x.3 series, the Aqua Medic DrainTuna reliably ensures a constant water level in the weir box. Disturbing splashing noises are thus prevented. Monitored by two float switches in the weir box, the flow rate of the inlet pump is permanently controlled so that the water level in the weir box can only change slightly. Aqua Medic DrainTuna+ ensures a constant water level in the weir box+ easy-to-install float switches in the weir box+ permanent water level monitoring+ simple adjustment of the flow rate+ only suitable for DC Runner x.2 and x.3 series included in shipment:DrainTuna control unit2 float switches incl. holdernecessary connection cablespower supply unitwall bracket