Water controls
8 of 10 from Photos: Inside IBM's deep green data center
A look at the under-floor controls for the water-cooling system, which is monitored for flow and temperature. The water is cooled by the building's chiller, but IBM set up a local loop of the water so that it can serve individual server racks, a way to improve the overall efficiency.
September 16, 2009 3:24 PM PDT
Photo by: Martin LaMonica