diff -r 14329d236f05 -r 407f98562c3b GUI/HardwareNode.cs
--- a/GUI/HardwareNode.cs	Sat May 15 12:50:28 2010 +0000
+++ b/GUI/HardwareNode.cs	Sat May 15 14:16:00 2010 +0000
@@ -58,6 +58,7 @@
       typeNodes.Add(new TypeNode(SensorType.Load));
       typeNodes.Add(new TypeNode(SensorType.Fan));
       typeNodes.Add(new TypeNode(SensorType.Flow));
+      typeNodes.Add(new TypeNode(SensorType.Control));
       
       foreach (ISensor sensor in hardware.Sensors)
         SensorAdded(sensor);