diff -r b5b076457b68 -r d93ddd6ca0af GUI/HardwareNode.cs
--- a/GUI/HardwareNode.cs	Wed Oct 06 19:50:10 2010 +0000
+++ b/GUI/HardwareNode.cs	Thu Oct 07 19:34:36 2010 +0000
@@ -64,6 +64,7 @@
       typeNodes.Add(new TypeNode(SensorType.Fan));
       typeNodes.Add(new TypeNode(SensorType.Flow));
       typeNodes.Add(new TypeNode(SensorType.Control));
+      typeNodes.Add(new TypeNode(SensorType.Level));
       
       foreach (ISensor sensor in hardware.Sensors)
         SensorAdded(sensor);