Index: firmware/App/Modes/ModePreGenPermeate.c
===================================================================
diff -u -r6d85a90d2325163e936055a620a8b6aa1a6db65a -rc97730ca6267df5eaa40bca5cefce5d9c68fb490
--- firmware/App/Modes/ModePreGenPermeate.c	(.../ModePreGenPermeate.c)	(revision 6d85a90d2325163e936055a620a8b6aa1a6db65a)
+++ firmware/App/Modes/ModePreGenPermeate.c	(.../ModePreGenPermeate.c)	(revision c97730ca6267df5eaa40bca5cefce5d9c68fb490)
@@ -22,6 +22,7 @@
 #include "FlushConcentrate.h"
 #include "FPModeStandby.h"
 #include "FPOperationModes.h"
+#include "InletPressureCheck.h"
 #include "MessageSupport.h"
 #include "Messaging.h"
 #include "ModeGenPermeate.h"
@@ -98,6 +99,7 @@
     setCurrentSubState( preGenPState );
     setModePreGenPTransition( preGenPState );
     resetPermeateTank();
+    initInletPressureCheck();
     return preGenPState;
 }
 
@@ -236,7 +238,12 @@
     }
     else
     {
-        // TODO - boost pump check
+        execInletPressureCheck();
+        if ( TRUE == isInletPressureCheckCompleted() )
+        {
+            signalStartFilterFlush();
+            state = FP_PRE_GENP_FILTER_FLUSH;
+        }
     }
     return state;
 }