Index: firmware/App/Tasks/TaskGeneral.c
===================================================================
diff -u -rff0edadf0c6f161a0a092ddaf94d1940d64f7d5e -r49843e534942e2ee122643b460182c65d1bfae18
--- firmware/App/Tasks/TaskGeneral.c	(.../TaskGeneral.c)	(revision ff0edadf0c6f161a0a092ddaf94d1940d64f7d5e)
+++ firmware/App/Tasks/TaskGeneral.c	(.../TaskGeneral.c)	(revision 49843e534942e2ee122643b460182c65d1bfae18)
@@ -32,6 +32,7 @@
 #include "PermeateTank.h"
 #include "RinsePump.h"
 #include "ROPump.h"
+#include "SubstitutionPump.h"
 #include "SystemCommDD.h"
 #include "TaskGeneral.h"
 #include "WatchdogMgmt.h"
@@ -128,6 +129,9 @@
     // manage rinse pump
     execRinsePumpController();
 
+    // Control Substitution Pump
+    execSubstitutionPumpController();
+
     // Monitor RAM error status
     //execRAMMonitor();
 
Index: firmware/source/sys_main.c
===================================================================
diff -u -r3b84fc79b2fd6c7a447e54e4fe821447f613af59 -r49843e534942e2ee122643b460182c65d1bfae18
--- firmware/source/sys_main.c	(.../sys_main.c)	(revision 3b84fc79b2fd6c7a447e54e4fe821447f613af59)
+++ firmware/source/sys_main.c	(.../sys_main.c)	(revision 49843e534942e2ee122643b460182c65d1bfae18)
@@ -101,6 +101,7 @@
 #include "StateFlushFilterDefeatured.h"
 #include "StateFlushPermeate.h"
 #include "StateInletPressureCheck.h"
+#include "SubstitutionPump.h"
 #include "SystemCommDD.h"
 #include "TaskBG.h"
 #include "TDInterface.h"
@@ -214,6 +215,7 @@
     initDryBiCart();
     initMixingControl();
     initIntegrity();
+    initSubstitutionPump();
 
     // FP Modules