Index: MsgDefs.h
===================================================================
diff -u -rcea574d58418b1add57e07db0b7d7dbb646df2e9 -r670ade594d906f26befdb6a164dda8b8d9d4d38e
--- MsgDefs.h	(.../MsgDefs.h)	(revision cea574d58418b1add57e07db0b7d7dbb646df2e9)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 670ade594d906f26befdb6a164dda8b8d9d4d38e)
@@ -203,6 +203,7 @@
     MSG_ID_DG_OPERATION_MODE_REQUEST = 0xA023,                          ///< DG operation mode request
     MSG_ID_CONCENTRATE_PUMP_TARGET_SPEED_OVERRIDE = 0xA024,             ///< Concentrate pumps' target speed override request
     MSG_ID_UV_REACTORS_DATA_PUBLISH_INTERVAL_OVERRIDE = 0xA025,         ///< UV reactors data publish interval override
+    MSG_ID_CONCENTRATE_PUMP_STATE_CHANGE_REQUEST = 0xA026,              ///< Concentrate pumps' state change request (on / off)
 
     MSG_ID_HD_DEBUG_EVENT = 0xFFF1,                                     ///< HD debug event text to be logged in event log
     MSG_ID_DG_DEBUG_EVENT = 0xFFF2,                                     ///< DG debug event text to be logged in event log