Index: firmware/App/Modes/ModeRecirculate.c
===================================================================
diff -u -ra52e41cc2219362d433149ca034908c8763d8378 -r9f25f22ef6cd3566f8f7fbbc5c037a69e7f9411b
--- firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision a52e41cc2219362d433149ca034908c8763d8378)
+++ firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision 9f25f22ef6cd3566f8f7fbbc5c037a69e7f9411b)
@@ -15,6 +15,7 @@
  **************************************************************************/
 
 #include "FPGA.h"
+#include "Heaters.h"
 #include "OperationModes.h"
 #include "ROPump.h"
 #include "TaskGeneral.h"
@@ -71,13 +72,16 @@
     // re-initialize each time we transition to re-circulate mode
     initRecirculateMode();
 
-    // TODO - set initial actuator states
+    // set initial actuator states
     setValveState( VPI, VALVE_STATE_OPEN );
     setValveState( VRC, VALVE_STATE_RECIRC_C_TO_NC );
     setValveState( VDR, VALVE_STATE_DRAIN_C_TO_NO );
     setValveState( VPO, VALVE_STATE_NOFILL_C_TO_NO );
+    setROPumpTargetPressure( TARGET_RO_PRESSURE_PSI, PUMP_CONTROL_MODE_CLOSED_LOOP );
+    signalDrainPumpHardStop();
+    startPrimaryHeater();
     // UV on
-    // Primary heater on
+    // conc. pumps off
 }
 
 /*********************************************************************//**
@@ -94,7 +98,6 @@
     switch ( recircState )
     {
         case DG_RECIRCULATE_MODE_STATE_START:
-            setROPumpTargetPressure( TARGET_RO_PRESSURE_PSI, PUMP_CONTROL_MODE_CLOSED_LOOP );
             recircState = DG_RECIRCULATE_MODE_STATE_FLUSH_LINES;
             break;
 
@@ -134,6 +137,7 @@
     F32 waterFlowRate = getMeasuredROFlowRate();
     F32 waterVolume = ( ( waterFlowRate / SEC_PER_MIN ) / ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) );
 
+    // integrate volume of water moved through line
     flushLinesVolume += waterVolume;
 
     // when enough water volume has flowed to flush the lines, transition to re-circ state