Index: firmware/App/Modes/TreatmentEnd.c
===================================================================
diff -u -r97915871fe011bc235c7a7f3c8690ee95ae637ea -r085476747d1b466802f94f5926fc53a8ec463ec5
--- firmware/App/Modes/TreatmentEnd.c	(.../TreatmentEnd.c)	(revision 97915871fe011bc235c7a7f3c8690ee95ae637ea)
+++ firmware/App/Modes/TreatmentEnd.c	(.../TreatmentEnd.c)	(revision 085476747d1b466802f94f5926fc53a8ec463ec5)
@@ -50,6 +50,7 @@
 static BOOL txEndAlarmRinsebackRequested;                                   ///< Flag indicates user requesting rinseback from alarm.
 static BOOL txEndAlarmEndTreatmentRequested;                                ///< Flag indicates user requesting end treatment from alarm.
 static BOOL txEndRinsebackRequested;                                        ///< Flag indicates user requesting final rinseback.
+static BOOL txEndDrainCmdSent;                                              ///< Flag indicates DG Drain command has been sent.
 
 // ********** private function prototypes **********
 
@@ -76,6 +77,7 @@
     treatmentEndState = TREATMENT_END_WAIT_FOR_RINSEBACK_STATE;
     txEndTimerCtr = 0;
     bloodSittingTimerCtr = 0;
+    txEndDrainCmdSent = FALSE;
     resetTreatmentEndFlags();
 }
 
@@ -228,7 +230,11 @@
         }
         else
         {
-            cmdStartDGDrain( DRAIN_RESERVOIR_TO_VOLUME_ML, TRUE, FALSE, TRUE );
+            if ( txEndDrainCmdSent != TRUE )
+            {
+                txEndDrainCmdSent = TRUE;
+                cmdStartDGDrain( DRAIN_RESERVOIR_TO_VOLUME_ML, TRUE, FALSE, TRUE );
+            }
         }
     }