diff -r 5cb7eb5bf628 -r 142907c75be4 GUI/HardwareNode.cs
--- a/GUI/HardwareNode.cs	Sat Feb 20 19:51:10 2010 +0000
+++ b/GUI/HardwareNode.cs	Sun Feb 21 18:10:30 2010 +0000
@@ -58,6 +58,7 @@
       typeNodes.Add(new TypeNode(SensorType.Temperature));
       typeNodes.Add(new TypeNode(SensorType.Load));
       typeNodes.Add(new TypeNode(SensorType.Fan));
+      typeNodes.Add(new TypeNode(SensorType.Flow));
       
       foreach (ISensor sensor in hardware.Sensors)
         SensorAdded(sensor);