Index: firmware/App/Controllers/PermeateTank.c
===================================================================
diff -u -r7957cce4e8b23b7d15b9623ff7c6d20432eab4e1 -rb112f6c67441dee24917cb7b2a3323f5c2b5bb81
--- firmware/App/Controllers/PermeateTank.c	(.../PermeateTank.c)	(revision 7957cce4e8b23b7d15b9623ff7c6d20432eab4e1)
+++ firmware/App/Controllers/PermeateTank.c	(.../PermeateTank.c)	(revision b112f6c67441dee24917cb7b2a3323f5c2b5bb81)
@@ -37,6 +37,7 @@
 #define PERMEATE_TANK_FILL_SWITCH_MS                 ( 10 * MS_PER_SECOND )                      ///< state switch timeout in fill state ( in ms )
 #define PERMEATE_TANK_FULL_SWITCH_MS                 ( 1 * MS_PER_SECOND )                       ///< state switch timeout in full state (in ms)
 #define PERMEATE_TANK_FULL_TIMEOUT_MS                ( 60 * MS_PER_SECOND )                      ///< timeout being in full state too long ( in ms )
+#define PERMEATE_TANK_FILL_RO_PUMP_TGT_FLOW_ML       700                                         ///< Flow target in ml/min for the ro pump during permeate tank fill state.
 
 // ********** private data **********
 
@@ -330,7 +331,7 @@
             setValveState( P39_VALV, VALVE_STATE_OPEN );
             setValveState( P20_VALV, VALVE_STATE_CLOSED );
             setValveState( P43_VALV, VALVE_STATE_CLOSED );
-            setROPumpTargetFlowRateMLPM( 700, TRUE );
+            setROPumpTargetFlowRateMLPM( PERMEATE_TANK_FILL_RO_PUMP_TGT_FLOW_ML, TRUE );
             tankFillDelayTime = getMSTimerCount();
             break;