The SHURflo Piranha™ Series automatic float switch incorporates a solid state control with two second delay, engaging only when water is actually in the bilge. Reliable and tough, the SHURflo non-mercury float switch provides an easy snap-on feature to direct mount the switch to the Piranha™ pump. Includes 6' tinned wire assembly. These features and more makes the SHURflo Bilge Switch the one you've been waiting for!