The DoubleMax Pump Switch from Alderon Industries provides a pumping range of 2 to 60 inches via a single connection. It monitors liquid levels for water and wastewater applications and is shipped with a set of mounting brackets for quick and easy adjustments. The system includes two float switches (on/off), main enclosure and a power cable. It is available in Pump Up, Pump Down, 120 or 230 volts AC, and with bare leads or piggyback plug. The enclosure is fully encapsulated in epoxy and is a waterproof unit that should not be submerged where humans or animals can contact the water. The unit can be installed in a tank with a submersible pump, is completely waterproof and can be submerged. 218/483-3034; www.alderonind.com.