IMC Instruments (imcinstruments.com), of Wittenberg, Wisconsin, received an Intertek (ETL) listing for its solar water heating controls. IMC manufactures the Eagle series of differential controls for solar water, space, and pool heating. The company also makes controls for hot air collectors and PV-pumped hot water systems. The EAGLE 2 WEB has a built-in interface for connecting to the Internet. IMC also has a full line of sensors, cables, adapters, and flow meters that integrate with its controls.