Index: MsgDefs.h
===================================================================
diff -u -r1c2637e50d4869439464180b5bbeaf8a49bc726f -r48239ff52b99a17c595c22c96bb939f247cc871e
--- MsgDefs.h	(.../MsgDefs.h)	(revision 1c2637e50d4869439464180b5bbeaf8a49bc726f)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 48239ff52b99a17c595c22c96bb939f247cc871e)
@@ -9,7 +9,7 @@
 * @file    MsgDefs.h
 *
 * @author  (last)      Michael Garthwaite
-* @date    (last)      17-Aug-2023
+* @date    (last)      21-Sep-2023
 *
 * @author  (original)  Sean
 * @date    (original)  27-Feb-2020
@@ -214,7 +214,7 @@
     MSG_ID_HD_DG_SERVICE_MODE_REQUEST = 0xB6,                           ///< HD request for DG to to go to service mode
     MSG_ID_DG_RTC_EPOCH_DATA = 0xB7,                                    ///< DG RTC epoch broadcast message
     MSG_ID_HD_DG_USAGE_INFO_REQUEST = 0xB8,                             ///< HD request DG usage info
-    MSG_ID_MSG_AVAILABLE_9 = 0xB9,                                      ///< Message ID available
+    MSG_ID_TDI_TEMP_COUNTER_DATA = 0xB9,                                ///< TDI temperature high/low alarm up down counters
     MSG_ID_HD_UI_CONFIRMATION_REQUEST = 0xBA,                           ///< HD request UI confirmation
     MSG_ID_UI_CONFIRMATION_RESULT_RESPONSE = 0xBB,                      ///< UI confirmation result response
     MSG_ID_UI_SET_DG_RO_MODE = 0xBC,                                    ///< UI set DG RO mode
@@ -397,6 +397,7 @@
     MSG_ID_HD_RAM_STATUS_OVERRIDE = 0x8099,                             ///< HD RAM status bit override
     MSG_ID_HD_VALVES_STATES_PUBLISH_INTERVAL_OVERRIDE = 0x809A,         ///< HD Valve data broadcast interval override request
     MSG_ID_HD_CAN_RECEIVE_ACK_MESSAGE_OVERRIDE = 0x809B,                ///< HD CAN message acknowledgment override request
+    MSG_ID_HD_RECIRULATION_PCT_OVERRIDE = 0x809C,                       ///< HD recirulation percentage override request
 
     MSG_ID_FIRST_DG_TESTER_MESSAGE = 0xA000,                            ///< First DG test message ID
     MSG_ID_DG_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DG_TESTER_MESSAGE,    ///< DG tester log-in
@@ -516,6 +517,7 @@
     MSG_ID_DG_RESERVOIR_BROADCAST_INTERVAL_OVERRIDE = 0xA074,           ///< DG reservoir broadcast interval override
     MSG_ID_DG_STATE_TIMER_77C_OVERRIDE = 0xA075,                        ///< DG heat disinfection state timer at 77C override
     MSG_ID_DG_STATE_TIMER_82C_OVERRIDE = 0xA076,                        ///< DG heat disinfection state timer at 82C override
+    MSG_ID_DG_CHEM_DISINFECT_ACID_OVERRIDE = 0xA077,                    ///< DG chem disinfection acid moving average override.
 
     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