The individually adjustable level sensor starts the Kärcher drainage pump SP 7 Dirt Inox contact with water immediately. the water level falls below the level sensor, the submersible waste water pump automatically stops after 15 seconds. The extremely powerful submersible pump is ideally suited for the drainage of, for example, garden ponds, flooded basements or flooded pits (max. 100 m), since they strongly contaminated water (up to 30 mm large particles) of up to 15,500 l / h can pump reliable. For even more polluted water of integrated and tie-down Edelstahlvorfilter to protect against blockages serves. By automatic-manual switch, this pump can also switch to continuous operation. They reliably pumped from up to a residual water level of 35 mm - both in continuous operation and in automatic mode, with the appropriate setting of the level sensor. The Quick Connect connection pieces can 1 "- 1 1/4" - and 1 1/2 "hoses are connected quickly and easily thanks to stainless steel housing and a robust mechanical seal the pump has particularly long service life..