Index: firmware/App/Modes/Rinseback.c
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -r736f71acb75b31a1f60e1b2f1651f4cf3073d22d
--- firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 736f71acb75b31a1f60e1b2f1651f4cf3073d22d)
@@ -992,7 +992,7 @@
         }
         // Scale to seconds
         countdown /= ( MS_PER_SECOND / TASK_GENERAL_INTERVAL );
-
+        data.isCompleted = FALSE;
         data.targetRinsebackVolumeMl = TARGET_RINSEBACK_VOLUME_ML;
         rinsebackPublishTimerCtr = 0;
         // If we have completed rinseback, timeout is no longer in force - indicate by zeroing timeout.  Also include any additionals to target.
@@ -1009,7 +1009,10 @@
         }
         data.timeout = timeout;
         data.countdown = countdown;
-        data.unused = 0.0; // TODO - remove when UI no longer looks for this field
+        if ( data.deliveredRinsebackVolumeMl >= TARGET_RINSEBACK_VOLUME_ML )
+        {
+            data.isCompleted = TRUE;
+        }
         broadcastData( MSG_ID_HD_RINSEBACK_PROGRESS, COMM_BUFFER_OUT_CAN_HD_BROADCAST, (U08*)&data, sizeof( RINSEBACK_DATA_PAYLOAD_T ) );
     }
 }
Index: firmware/App/Modes/Rinseback.h
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -r736f71acb75b31a1f60e1b2f1651f4cf3073d22d
--- firmware/App/Modes/Rinseback.h	(.../Rinseback.h)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Modes/Rinseback.h	(.../Rinseback.h)	(revision 736f71acb75b31a1f60e1b2f1651f4cf3073d22d)
@@ -44,7 +44,7 @@
     U32 rinsebackFlowRateMlMin;
     U32 timeout;
     U32 countdown;
-    F32 unused;
+    U32 isCompleted;
 } RINSEBACK_DATA_PAYLOAD_T;
 
 #pragma pack(pop)