Index: DGDefs.h
===================================================================
diff -u -r459e42d5ee375eb1e8d3bcb2192cef18e24af861 -r2ce7b23804a6ea3ad8f25048832716068f94ee6b
--- DGDefs.h	(.../DGDefs.h)	(revision 459e42d5ee375eb1e8d3bcb2192cef18e24af861)
+++ DGDefs.h	(.../DGDefs.h)	(revision 2ce7b23804a6ea3ad8f25048832716068f94ee6b)
@@ -564,6 +564,7 @@
     DG_CMD_START_RO_PERMEATE_SAMPLE = 19,      ///< Command to request DG to start RO permeate sample mode
     DG_CMD_STOP_RO_PERMEATE_SAMPLE = 20,       ///< Command to request DG to stop RO permeate sample mode
     DG_CMD_STOP_ACTIVE_COOL = 21,              ///< Command to request DG to stop active cool mode
+    DG_CMD_PARK_CONCENTRATE_PUMPS = 22,        ///< Command to request DG to park concentrate pumps
     NUM_OF_DG_COMMANDS                         ///< Number of DG commands
 };
 typedef enum DG_Command DG_COMMAND_T;   ///< Type for DG commands enumeration
Index: MsgDefs.h
===================================================================
diff -u -r6c8c013abd99a340d958c37c2d54167d93620be0 -r2ce7b23804a6ea3ad8f25048832716068f94ee6b
--- MsgDefs.h	(.../MsgDefs.h)	(revision 6c8c013abd99a340d958c37c2d54167d93620be0)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 2ce7b23804a6ea3ad8f25048832716068f94ee6b)
@@ -160,7 +160,7 @@
     MSG_ID_HD_DISINFECT_RESPONSE = 0x80,                                ///< HD response to disinfection selection
     MSG_ID_DG_SEND_SERVICE_SCHEDULE_DATA_TO_HD = 0x81,                  ///< DG send service schedule data to HD
     MSG_ID_HD_REQUEST_SERVICE_RECORD_FROM_HD = 0x82,                    ///< HD request service schedule data from HD
-    MSG_ID_MSG_AVAILABLE_4 = 0x83,                                      ///< Message available for use
+    MSG_ID_DG_PARK_CONCENTRATE_PUMPS = 0x83,                            ///< HD request DG to park concentrate pumps
     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