Index: MsgDefs.h
===================================================================
diff -u -rfba5eaf7e09a4899d5d886370589ae4634a1eea6 -r58ba5a3fd77ae92e25c7a09e83d57b35ada2e9c3
--- MsgDefs.h	(.../MsgDefs.h)	(revision fba5eaf7e09a4899d5d886370589ae4634a1eea6)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 58ba5a3fd77ae92e25c7a09e83d57b35ada2e9c3)
@@ -170,6 +170,10 @@
     MSG_ID_HEAT_DISINFECT_NO_OF_CYCLES_TO_RUN = 0xA020,                 ///< Heat disinfection number of cycles to run
     MSG_ID_HEAT_DISINFECT_PUBLISH_INTERVAL_OVERRIDE = 0xA021,           ///< Heat disinfection data publish interval override request
     MSG_ID_RO_REJECTION_RATIO_OVERRIDE = 0xA022,                        ///< RO rejection ratio data override request
+    MSG_ID_HD_VALVES_SEND_INTERVAL_OVERRIDE = 0xA023,                   ///< HD valves data publish interval override request
+    MSG_ID_HD_HOME_VALVE = 0xA024,                                      ///< Home an HD Valve
+    MSG_ID_HD_SET_VALVE_POSITION = 0xA025,                              ///< Set an HD valve to a position in counts
+    MSG_ID_HD_SET_BLOOD_TRAP_VALVE = 0xA026,                            ///< Set the HD blood trap valve status
 
     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