Index: firmware/source/sys_main.c
===================================================================
diff -u -ra8fe7791e3c46d6e1f600f83e27ce12a3bdefaf7 -rcd4dd9f9928825dd673856bd6cf51ae47576ff79
--- firmware/source/sys_main.c	(.../sys_main.c)	(revision a8fe7791e3c46d6e1f600f83e27ce12a3bdefaf7)
+++ firmware/source/sys_main.c	(.../sys_main.c)	(revision cd4dd9f9928825dd673856bd6cf51ae47576ff79)
@@ -100,6 +100,7 @@
 #include "StateFlushFilterDefeatured.h"
 #include "StateFlushPermeate.h"
 #include "StateInletPressureCheck.h"
+#include "SubstitutionPump.h"
 #include "SystemCommDD.h"
 #include "TaskBG.h"
 #include "TDInterface.h"
@@ -210,6 +211,7 @@
     initUltrafiltration();
     initRinsePump();
     initDryBiCart();
+    initSubstitutionPump();
     initMixingControl();
     initIntegrity();