This package includes two standard single level stainless steel float switches and our liquid level control relay box. This set up can be used to control pumps or valves which will automatically maintain the desired liquid level in a tank or vessel. The relay has hook up options for fill or drain applications. The stainless steel single level float switches have SPST reed switches, have a 1/4″ NPT threaded connection and come with 6ft of wire. The relay is housed in a wall mount Nema 4/4x enclosure, comes with a 6ft power cord, and has two openings in the bottom.