Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r9d9cd0ac6bce1de703e34cce9808b9dc357cd687 -r053934da127a2567e2d76435b77120f541f4fb42
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 9d9cd0ac6bce1de703e34cce9808b9dc357cd687)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 053934da127a2567e2d76435b77120f541f4fb42)
@@ -26,6 +26,11 @@
  *  @{
  */
 
+// ********** private definitions **********
+
+#define BLOOD_PUMP_RECIRC_FLOW_RATE                 100                 ///< Blood pump flow rate during recirculation in mL/min.
+#define DIALYSATE_PUMP_RECIRC_FLOW_RATE             100                 ///< Dialysate pump flow rate during recirculation in mL/min.
+
 // ********** private data **********
 
 static BOOL treatStartReqReceived = FALSE;                              ///< Flag indicates user requests treatment begin.
@@ -258,6 +263,18 @@
     {
         activateAlarmNoData( ALARM_ID_PRIME_COMPLETED_LOW_PRIORITY );
         state = PRE_TREATMENT_RECIRCULATE_STATE;
+
+        setValvePosition( VDI, VALVE_POSITION_C_CLOSE );
+        setValvePosition( VDO, VALVE_POSITION_C_CLOSE );
+        setValvePosition( VBA, VALVE_POSITION_B_OPEN );
+        setValvePosition( VBV, VALVE_POSITION_B_OPEN );
+        setValveAirTrap( STATE_CLOSED );
+        cmdSetDGActiveReservoir( DG_RESERVOIR_1 );
+        cmdStartDGTrimmerHeater();
+
+        setBloodPumpTargetFlowRate( BLOOD_PUMP_RECIRC_FLOW_RATE, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
+        setDialInPumpTargetFlowRate( DIALYSATE_PUMP_RECIRC_FLOW_RATE, MOTOR_DIR_FORWARD, PUMP_CONTROL_MODE_OPEN_LOOP );
+        signalDialOutPumpHardStop();
     }
 
     return state;