Index: firmware/App/Modes/ModeFlush.c
===================================================================
diff -u -re86af65442a36724461317980814f0868bd8c995 -r379f78f1fad668d741b3ccf1e78c69f3fccc45b5
--- firmware/App/Modes/ModeFlush.c	(.../ModeFlush.c)	(revision e86af65442a36724461317980814f0868bd8c995)
+++ firmware/App/Modes/ModeFlush.c	(.../ModeFlush.c)	(revision 379f78f1fad668d741b3ccf1e78c69f3fccc45b5)
@@ -298,8 +298,14 @@
     // Request a tare for reservoir 1
     tareReservoir();
 
+#ifndef V_2_SYSTEM
     // Set the actuators to drain R1
+    setValveState( VRD1, VALVE_STATE_OPEN );
+#else
+    // Set the actuators to drain R1
     setValveState( VRD, VALVE_STATE_R1_C_TO_NC );
+#endif
+
     setDrainPumpTargetRPM( DRAIN_PUMP_TARGET_RPM );
 
     stateTimerStart = getMSTimerCount();
@@ -334,9 +340,17 @@
             tareReservoir();
         }
 
+#ifndef V_2_SYSTEM
+        // Close reservoir 1 drain
+        setValveState( VRD1, VALVE_STATE_CLOSED );
         // Set the actuators to drain R2
         // NOTE: Drain pump is already on and VDr is already on drain state
+        setValveState( VRD2, VALVE_STATE_OPEN );
+#else
+        // Set the actuators to drain R2
+        // NOTE: Drain pump is already on and VDr is already on drain state
         setValveState( VRD, VALVE_STATE_R2_C_TO_NO );
+#endif
 
         stateTimerStart = getMSTimerCount();
         rsrvr2Status = DG_RESERVOIR_ABOVE_TARGET;
@@ -376,15 +390,25 @@
          {
              // Set the actuators to flush drain
              setValveState( VPI, VALVE_STATE_OPEN );
+#ifndef V_2_SYSTEM
+             setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NO );
+             setValveState( VRD2, VALVE_STATE_CLOSED );
+#else
              setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NC );
+#endif
 
              state = DG_FLUSH_STATE_FLUSH_DRAIN;
          }
          else
          {
              // Set the actuators to pull fresh water in to drain the circulation line
              setValveState( VPI, VALVE_STATE_OPEN );
+#ifndef V_2_SYSTEM
+             setValveState( VPD, VALVE_STATE_OPEN_C_TO_NC );
+             setValveState( VRD2, VALVE_STATE_CLOSED );
+#else
              setValveState( VPD, VALVE_STATE_OPEN_C_TO_NO );
+#endif
              setValveState( VRC, VALVE_STATE_DRAIN_C_TO_NO );
              setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
              setROPumpTargetFlowRate( FINAL_DRAIN_RO_PUMP_FLOW_LPM, RO_PUMP_MAX_PRESSURE_PSI );
@@ -416,7 +440,11 @@
 
     if ( TRUE == didTimeout( stateTimerStart, FLUSH_DRAIN_WAIT_TIME_MS ) )
     {
+#ifndef V_2_SYSTEM
+        setValveState( VPD, VALVE_STATE_OPEN_C_TO_NC );
+#else
         setValveState( VPD, VALVE_STATE_OPEN_C_TO_NO );
+#endif
         setROPumpTargetFlowRate( RO_PUMP_TARGET_FLOW_RATE_LPM, RO_PUMP_MAX_PRESSURE_PSI );
 
         // Turn on the UV reactors
@@ -529,7 +557,11 @@
             setValveState( VRF, VALVE_STATE_R2_C_TO_NO );
             setValveState( VRI, VALVE_STATE_R1_C_TO_NO );
             setValveState( VRO, VALVE_STATE_R2_C_TO_NC );
+#ifndef V_2_SYSTEM
+            setValveState( VRD1, VALVE_STATE_OPEN );
+#else
             setValveState( VRD, VALVE_STATE_R1_C_TO_NC );
+#endif
             setDrainPumpTargetRPM( DRAIN_PUMP_TARGET_RPM );
             stateTimerStart = getMSTimerCount();
 
@@ -579,6 +611,9 @@
     {
         // Done with draining R1
         signalDrainPumpHardStop();
+#ifndef V_2_SYSTEM
+        setValveState( VRD1, VALVE_STATE_CLOSED );
+#endif
     }
     // Reservoir 1 drain time out
     else if ( DG_RESERVOIR_NOT_REACHED_TARGET == rsrvr1Status )
@@ -615,7 +650,11 @@
         if ( DG_RESERVOIR_REACHED_TARGET == rsrvr1Status )
         {
             signalROPumpHardStop();
+#ifndef V_2_SYSTEM
+            setValveState( VRD1, VALVE_STATE_OPEN );
+#else
             setValveState( VRD, VALVE_STATE_R1_C_TO_NC );
+#endif
             setDrainPumpTargetRPM( DRAIN_PUMP_TARGET_RPM );
 
             stateTimerStart = getMSTimerCount();
@@ -664,7 +703,11 @@
     {
         // Set the actuators to transition to flush circulation
         // The valves are set to do flush drain and flush circulation
+#ifndef V_2_SYSTEM
+        setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NO );
+#else
         setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NC );
+#endif
         setValveState( VRC, VALVE_STATE_RECIRC_C_TO_NC );
         setValveState( VDR, VALVE_STATE_RECIRC_C_TO_NC );
         setValveState( VPO, VALVE_STATE_NOFILL_C_TO_NO );
@@ -699,7 +742,11 @@
 
     if ( TRUE == didTimeout( stateTimerStart, FLUSH_CIRCULATION_WAIT_TIME_MS ) )
     {
+#ifndef V_2_SYSTEM
+        setValveState( VPD, VALVE_STATE_OPEN_C_TO_NC );
+#else
         setValveState( VPD, VALVE_STATE_OPEN_C_TO_NO );
+#endif
         setValveState( VRC, VALVE_STATE_DRAIN_C_TO_NO );
         setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
 
@@ -776,7 +823,12 @@
 
         // Set the actuators
         setValveState( VPI, VALVE_STATE_CLOSED );
+#ifndef V_2_SYSTEM
+        setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NO );
+        setValveState( VRD2, VALVE_STATE_OPEN );
+#else
         setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NC );
+#endif
 
         // Set both reservoirs to be considered as full
         rsrvr1Status = DG_RESERVOIR_ABOVE_TARGET;
@@ -801,8 +853,13 @@
 
         if ( DG_RESERVOIR_REACHED_TARGET == rsrvr2Status )
         {
+#ifndef V_2_SYSTEM
+            setValveState( VRD1, VALVE_STATE_OPEN );
+            setValveState( VRD2, VALVE_STATE_CLOSED );
+#else
             // Set the drain valve to reservoir 1
             setValveState( VRD, VALVE_STATE_R1_C_TO_NC );
+#endif
         }
     }
     else if ( DG_RESERVOIR_NOT_REACHED_TARGET == rsrvr2Status )
@@ -818,6 +875,9 @@
 
         if ( DG_RESERVOIR_REACHED_TARGET == rsrvr1Status )
         {
+#ifndef V_2_SYSTEM
+            setValveState( VRD2, VALVE_STATE_CLOSED );
+#endif
             // Done with draining
             signalDrainPumpHardStop();