Index: src/Plugins/Wti/Wti.Plugin/WtiGuiPlugin.cs
===================================================================
diff -u -rf4f20297137850e94b8ae0d8c582aec872d8c707 -rb16cc39381e4275844ad330e0bc56ede52aa5b88
--- src/Plugins/Wti/Wti.Plugin/WtiGuiPlugin.cs	(.../WtiGuiPlugin.cs)	(revision f4f20297137850e94b8ae0d8c582aec872d8c707)
+++ src/Plugins/Wti/Wti.Plugin/WtiGuiPlugin.cs	(.../WtiGuiPlugin.cs)	(revision b16cc39381e4275844ad330e0bc56ede52aa5b88)
@@ -74,6 +74,7 @@
         {
             yield return new WtiProjectNodePresenter();
             yield return new PipingDataNodePresenter();
+            yield return new PipingFailureMechanismNodePresenter();
             yield return new PipingOutputNodePresenter();
         }
     }