Index: DGDefs.h
===================================================================
diff -u -r46451dc6c2bcbf4ff9266ad8d8b4dce544701a10 -rbf0f2f02dfbf5af94b5676b7b553897d43e998f5
--- DGDefs.h	(.../DGDefs.h)	(revision 46451dc6c2bcbf4ff9266ad8d8b4dce544701a10)
+++ DGDefs.h	(.../DGDefs.h)	(revision bf0f2f02dfbf5af94b5676b7b553897d43e998f5)
@@ -304,6 +304,9 @@
     DG_HEAT_DISINFECT_STATE_CANCEL_BASIC_PATH,                  ///< Heat disinfect, cancel mode basic path state
     DG_HEAT_DISINFECT_STATE_CANCEL_WATER_PATH,                  ///< Heat disinfect, cancel mode water path state
     DG_HEAT_DISINFECT_STATE_COMPLETE,                           ///< Heat disinfect, complete state
+#ifndef _RELEASE_
+    DG_NELSON_HEAT_DISINFECT_STATE_FILL_R1_WITH_WATER,
+#endif
     NUM_OF_DG_HEAT_DISINFECT_STATES                             ///< Number of heat disinfect mode states
 };
 typedef enum DG_Heat_States DG_HEAT_DISINFECT_STATE_T;          ///< Type for DG heat disinfect states enumeration
Index: MsgDefs.h
===================================================================
diff -u -r18a4501e28709427bb8c6c53759d35e2536a4c42 -rbf0f2f02dfbf5af94b5676b7b553897d43e998f5
--- MsgDefs.h	(.../MsgDefs.h)	(revision 18a4501e28709427bb8c6c53759d35e2536a4c42)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision bf0f2f02dfbf5af94b5676b7b553897d43e998f5)
@@ -471,6 +471,7 @@
     MSG_ID_DG_CONC_PUMP_PARK_FAULT_STATUS_OVERRIDE = 0xA05F,            ///< DG concentrate pump park fault status override
     MSG_ID_DG_CONC_PUMP_PARK_COMMAND = 0xA060,                          ///< DG concentrate pump park command
     MSG_ID_DG_HEATERS_DUTY_CYCLE_OVERRIDE = 0xA061,                     ///< DG heaters duty cycle override request
+    MSG_ID_DG_NELSON_DISINFECT_SUPPORT = 0xA062,                        ///< DG Nelson disinfect support message
 
     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