Index: firmware/App/Modes/ModeFlush.h
===================================================================
diff -u -r24fd1893101af40cc6736aacaa20382875c80bf1 -rd7926685f2fe3086bab183166119f0965a192a69
--- firmware/App/Modes/ModeFlush.h	(.../ModeFlush.h)	(revision 24fd1893101af40cc6736aacaa20382875c80bf1)
+++ firmware/App/Modes/ModeFlush.h	(.../ModeFlush.h)	(revision d7926685f2fe3086bab183166119f0965a192a69)
@@ -37,6 +37,7 @@
     U32 flushState;                     ///< Flush state.
     U32 overallElapsedTime;             ///< Overall elapsed time in flush mode.
     U32 stateElapsedTime;               ///< Current flush elapsed time.
+    F32 drainLineVolume;                ///< Drain line volume.
 } MODE_FLUSH_DATA_T;
 
 // ********** public function prototypes **********