This all stainless steel construction two position float switch has a standard 2″ NPT mounting plug with a 1/2″ NPT conduit adapter. The 2″ diameter ball floats are designed to fit through a standard female coupling. Each float position has a 70 VA reed switch. When hooked up to our level control relay this unit is ideal for controlling pumps or valves. It can be used in applications up to 300psi and temperatures of 300f.