Index: Common.h
===================================================================
diff -u -r76ccffbbaf71efeeead896f05c0d800c9367ab73 -r6b43c2eaf10c885e82f33bdb455420e574dc679c
--- Common.h	(.../Common.h)	(revision 76ccffbbaf71efeeead896f05c0d800c9367ab73)
+++ Common.h	(.../Common.h)	(revision 6b43c2eaf10c885e82f33bdb455420e574dc679c)
@@ -374,21 +374,33 @@
     BOOL useLastTrimmerHeaterDC;                ///< Use last trimmer heater duty cycle flag.
 } DG_SWITCH_RSRVRS_CMD_T;
 
+#pragma pack(push, 1)
 /// DG usage info structure.
 typedef struct
 {
-    F32 roWaterGenTotalL;                                                                                       ///< Total RO water generated in liters. (Cannot be reset)
-    F32 roWaterGenSinceLastServiceL;                                                                            ///< RO water generated since last treatment in liters.
-    U32 lastBasicFlushCompleteDateEpoch;                                                                        ///< Last basic flush complete date in epoch.
-    U32 lastChemDisStartDateEpoch;                                                                              ///< Last chemical disinfect start date in epoch.
-    U32 lastChemDisCompleteDateEpoch;                                                                           ///< Last chemical disinfect complete date in epoch.
-    U32 lastChemDisFlushCompleteDateEpoch;                                                                      ///< Last chemical disinfect flush complete date in epoch.
-    U32 lastHeatDisCompleteDateEpoch;                                                                           ///< Last heat disinfect complete date in epoch.
-    U32 lastFilterFlushCompleteDateEpoch;                                                                       ///< Last filter flush complete date in epoch.
-    U32 lastResetTimeEpoch;                                                                                     ///< Last time the record was reset in epoch.
-    U16 crc;                                                                                                    ///< CRC for the DG usage info structure.
+    F32 roWaterGenTotalL;                       ///< Total RO water generated in liters. (Cannot be reset)
+    F32 roWaterGenSinceLastServiceL;            ///< RO water generated since last treatment in liters.
+    U32 lastBasicFlushCompleteDateEpoch;        ///< Last basic flush complete date in epoch.
+    U32 lastChemDisStartDateEpoch;              ///< Last chemical disinfect start date in epoch.
+    U32 lastChemDisCompleteDateEpoch;           ///< Last chemical disinfect complete date in epoch.
+    U32 lastChemDisFlushCompleteDateEpoch;      ///< Last chemical disinfect flush complete date in epoch.
+    U32 lastHeatDisCompleteDateEpoch;           ///< Last heat disinfect complete date in epoch.
+    U32 lastFilterFlushCompleteDateEpoch;       ///< Last filter flush complete date in epoch.
+    U32 lastResetTimeEpoch;                     ///< Last time the record was reset in epoch.
+    U16 crc;                                    ///< CRC for the DG usage info structure.
 } DG_USAGE_INFO_RECORD_T;
 
+/// DG service record structure
+typedef struct
+{
+    U08 serviceLoc;                             ///< DG service location.
+    U32 lastServiceEpochDate;                   ///< DG last service date in epoch.
+    U32 serviceIntervalSeconds;                 ///< DG service interval in seconds.
+    U32 lastResetTimeEpoch;                     ///< Last time the record was reset in epoch.
+    U16 crc;                                    ///< CRC for the DG service record structure.
+} DG_SERVICE_RECORD_T;
+#pragma pack(pop)
+
 // **** VectorCAST Definitions ****
 
 #ifdef _VECTORCAST_