Index: firmware/App/Modes/FPModes/FlushConcentrate.c
===================================================================
diff -u -ra0c144ed9f72066d7a7b1d047b01fb76ca56d667 -re8a090df33223455312adc5ad494a3b5e2507f00
--- firmware/App/Modes/FPModes/FlushConcentrate.c	(.../FlushConcentrate.c)	(revision a0c144ed9f72066d7a7b1d047b01fb76ca56d667)
+++ firmware/App/Modes/FPModes/FlushConcentrate.c	(.../FlushConcentrate.c)	(revision e8a090df33223455312adc5ad494a3b5e2507f00)
@@ -203,14 +203,12 @@
     {
         case CONC_FLUSH_IN_PROGRESS:
             setValveState( M4_VALV, VALVE_STATE_OPEN );
-            setValveState( M7_VALV, VALVE_STATE_CLOSED );
             setValveState( P6_VALV, VALVE_STATE_CLOSED );
             setValveState( P11_VALV, VALVE_STATE_OPEN );
             setValveState( P33_VALV, VALVE_STATE_CLOSED );
             setValveState( P34_VALV, VALVE_STATE_CLOSED );
             setValveState( P37_VALV, VALVE_STATE_CLOSED );
             setValveState( P39_VALV, VALVE_STATE_OPEN );
-            setValveState( P20_VALV, VALVE_STATE_CLOSED );
             setValveState( P43_VALV, VALVE_STATE_CLOSED );
             startPermeateTankControl();
             if ( TRUE == isBoostPumpInstalled() )
@@ -227,14 +225,12 @@
             if ( FALSE == isConcentrateFlushComplete() )
             {
                 setValveState( M4_VALV, VALVE_STATE_CLOSED );
-                setValveState( M7_VALV, VALVE_STATE_CLOSED );
                 setValveState( P6_VALV, VALVE_STATE_CLOSED );
                 setValveState( P11_VALV, VALVE_STATE_CLOSED );
                 setValveState( P33_VALV, VALVE_STATE_CLOSED );
                 setValveState( P34_VALV, VALVE_STATE_CLOSED );
                 setValveState( P37_VALV, VALVE_STATE_CLOSED );
                 setValveState( P39_VALV, VALVE_STATE_CLOSED );
-                setValveState( P20_VALV, VALVE_STATE_CLOSED );
                 setValveState( P43_VALV, VALVE_STATE_CLOSED );
 
                 if ( TRUE == isBoostPumpInstalled() )