HC6000 Hi-Lo Pump Controller (Dual Float Switch) Works with all types of Sump Pumps and Utility Pumps Precise control of Turn On and Turn Off levels Adjustable, wide control range from 1/2" to 20' (NOT timed based like other dual-float switches) Easy to install; small profile fits in small or crowded spaces Sensors not affected by minerals and debris in waterNever have to be cleaned!