Index: MsgDefs.h
===================================================================
diff -u -r7d98f1cff711d6c82a96e612b6f1f36109bfd3f8 -r4148c89c0f40d99c80d6e40d974732f80322c30c
--- MsgDefs.h	(.../MsgDefs.h)	(revision 7d98f1cff711d6c82a96e612b6f1f36109bfd3f8)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 4148c89c0f40d99c80d6e40d974732f80322c30c)
@@ -158,9 +158,9 @@
     MSG_ID_HD_DISINFECT_STANDBY_DATA = 0x7E,                            ///< HD broadcast of standby disinfect data
     MSG_ID_UI_DISINFECT_REQUEST = 0x7F,                                 ///< UI disinfection selection
     MSG_ID_HD_DISINFECT_RESPONSE = 0x80,                                ///< HD response to disinfection selection
-    MSG_ID_UI_CHEM_DISINFECT_CONFIRM = 0x81,                            ///< UI confirmation of chemical disinfection start
-    MSG_ID_HD_CHEM_DISINFECT_CONFIRM_RESPONSE = 0x82,                   ///< HD response to confirmation of chemical disinfection start
-    MSG_ID_DG_FLUSH_TIME_DATA = 0x83,                                   ///< DG broadcast of flush mode time data
+    MSG_ID_MSG_AVAILABLE_2 = 0x81,                                      ///< Message available for use
+    MSG_ID_MSG_AVAILABLE_3 = 0x82,                                      ///< Message available for use
+    MSG_ID_MSG_AVAILABLE_4 = 0x83,                                      ///< Message available for use
     MSG_ID_DG_HEAT_DISINFECT_TIME_DATA = 0x84,                          ///< DG broadcast of heat disinfection mode time data
     MSG_ID_DG_CHEM_DISINFECT_TIME_DATA = 0x85,                          ///< DG broadcast of chemical disinfection mode time data
     MSG_ID_DG_VOLTAGES_DATA = 0x86,                                     ///< DG voltages data publish
@@ -224,8 +224,8 @@
     MSG_ID_DG_CHEM_DISINFECT_FLUSH_DATA = 0xC0,                         ///< DG chemical disinfect flush logging data
     MSG_ID_DG_CHEM_DISINFECT_FLUSH_TIME_DATA = 0xC1,                    ///< DG broadcast of chemical disinfect flush mode time data
     MSG_ID_DG_START_STOP_CHEM_DISINFECT_FLUSH = 0xC2,                   ///< DG start/stop chemical disinfect flush
-    MSG_ID_UI_CHEM_DISINFECT_FLUSH_CONFIRM = 0xC3,                      ///< UI confirmation of chemical disinfect flush start
-    MSG_ID_HD_CHEM_DISINFECT_FLUSH_CONFIRM_RESPONSE = 0xC4,             ///< HD response to confirmation of chemical disinfect flush start
+    MSG_ID_MSG_AVAILABLE_5 = 0xC3,                                      ///< Message available for use
+    MSG_ID_MSG_AVAILABLE_6 = 0xC4,                                      ///< Message available for use
     MSG_ID_DG_HEAT_DISINFECT_ACTIVE_COOL_DATA = 0xC5,                   ///< DG heat disinfect active cool data broadcast
     MSG_ID_DG_START_STOP_HEAT_DISINFECT_ACTIVE_COOL = 0xC6,             ///< DG heat disinfect active cool start/stop command
     MSG_ID_HD_AIR_PUMP_DATA = 0xC7,                                     ///< HD air pump data publish