Index: firmware/source/sys_main.c
===================================================================
diff -u -r89c8709e3b27648926fbb20f25c9a67cbeb99adc -r11fcfaffab49f00f358124c8c285a821632eba24
--- firmware/source/sys_main.c	(.../sys_main.c)	(revision 89c8709e3b27648926fbb20f25c9a67cbeb99adc)
+++ firmware/source/sys_main.c	(.../sys_main.c)	(revision 11fcfaffab49f00f358124c8c285a821632eba24)
@@ -98,6 +98,7 @@
 #include "StateFlushFilterDefeatured.h"
 #include "StateFlushPermeate.h"
 #include "StateInletPressureCheck.h"
+#include "SubstitutionPump.h"
 #include "SystemCommDD.h"
 #include "TaskBG.h"
 #include "TDInterface.h"
@@ -208,6 +209,7 @@
     initUltrafiltration();
     initRinsePump();
     initDryBiCart();
+    initSubstitutionPump();
 
     // FP Modules