Index: DGDefs.h
===================================================================
diff -u -r57c03a2f5f4d13fd2d9d341f73a12b75c0b42903 -r246dc9dfcbd5cdc8960c113b4c1f049db73ce3ca
--- DGDefs.h	(.../DGDefs.h)	(revision 57c03a2f5f4d13fd2d9d341f73a12b75c0b42903)
+++ DGDefs.h	(.../DGDefs.h)	(revision 246dc9dfcbd5cdc8960c113b4c1f049db73ce3ca)
@@ -217,9 +217,9 @@
     DG_HEAT_DISINFECT_STATE_FILL_R2_WITH_HOT_WATER,             ///< Heat disinfect, fill R2 with hot water state
     DG_HEAT_DISINFECT_STATE_DISINFECT_R2_TO_R1,                 ///< Heat disinfect, disinfect R2 to R1 state
     DG_HEAT_DISINFECT_STATE_COOL_DOWN_HEATERS,                  ///< Heat disinfect, cool down heaters state
+    DG_HEAT_DISINFECT_STATE_COOL_DOWN_RO_FILTER,                ///< Heat disinfect, cool down RO filter state
     DG_HEAT_DISINFECT_STATE_MIX_DRAIN_R1,                       ///< Heat disinfect, mix drain R1 state
     DG_HEAT_DISINFECT_STATE_MIX_DRAIN_R2,                       ///< Heat disinfect, mix drain R2 state
-    DG_HEAT_DISINFECT_STATE_COOL_DOWN_RO_FILTER,                ///< Heat disinfect, cool down RO filter state
     DG_HEAT_DISINFECT_STATE_RINSE_R1_TO_R2,                     ///< Heat disinfect, rinse R1 to R2 state
     DG_HEAT_DISINFECT_STATE_RINSE_R2_TO_R1_AND_DRAIN_R1,        ///< Heat disinfect, rinse R2 to R1 and drain R1 state
     DG_HEAT_DISINFECT_STATE_RINSE_CIRCULATION,                  ///< Heat disinfect, rinse circulation state
@@ -316,9 +316,18 @@
 {
     DG_RESERVOIR_1 = 0,        ///< Reservoir number 1
     DG_RESERVOIR_2,            ///< Reservoir number 2
-    NUM_OF_DG_RESERVOIRS          ///< Number of reservoirs
+    NUM_OF_DG_RESERVOIRS       ///< Number of reservoirs
 } DG_RESERVOIR_ID_T;
 
+/// Enumeration of DG reservoirs status.
+typedef enum DG_Reservoirs_Status
+{
+    DG_RESERVOIR_BELOW_TARGET = 0,      ///< Reservoir below target
+    DG_RESERVOIR_ABOVE_TARGET,          ///< Reservoir above target
+    DG_RESERVOIR_REACHED_TARGET,        ///< Reservoir reached target
+    NUM_OF_DG_RESERVOIR_STATUS          ///< Number of reservoir status
+} DG_RESERVOIR_STATUS_T; // Currently is used in mode heat disinfect and mode flush
+
 /// Enumeration of DG valve settings.
 typedef enum DG_Valve_Setting
 {