Index: firmware/App/Modes/TreatmentEnd.c
===================================================================
diff -u -r3d72b777cf1ceb673d118341c46e2d6d5b7b75f5 -r69594ce29a9dbc2a1f72c79b18124c7b5ecc09ee
--- firmware/App/Modes/TreatmentEnd.c	(.../TreatmentEnd.c)	(revision 3d72b777cf1ceb673d118341c46e2d6d5b7b75f5)
+++ firmware/App/Modes/TreatmentEnd.c	(.../TreatmentEnd.c)	(revision 69594ce29a9dbc2a1f72c79b18124c7b5ecc09ee)
@@ -55,6 +55,7 @@
 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 **********
 
@@ -81,6 +82,7 @@
     treatmentEndState = TREATMENT_END_WAIT_FOR_RINSEBACK_STATE;
     txEndTimerCtr = 0;
     bloodSittingTimerCtr = 0;
+    txEndDrainCmdSent = FALSE;
     resetTreatmentEndFlags();
 }
 
@@ -233,7 +235,11 @@
         }
         else
         {
-            cmdStartDGDrain( DRAIN_RESERVOIR_TO_VOLUME_ML, TRUE, FALSE, TRUE );
+            if ( txEndDrainCmdSent != TRUE )
+            {
+                txEndDrainCmdSent = TRUE;
+                cmdStartDGDrain( DRAIN_RESERVOIR_TO_VOLUME_ML, TRUE, FALSE, TRUE );
+            }
         }
     }