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 high power 70 VA reed switch. This switch is ideal for controlling pumps or valves. It can be used in applications up to 300psi and temperatures of 300f.