Index: MsgDefs.h
===================================================================
diff -u -r83013a57b0b7a91f650a889fb096b4141cd26f00 -r74bc32e13ed69a4e5a7217f1f5098bc17ff60466
--- MsgDefs.h	(.../MsgDefs.h)	(revision 83013a57b0b7a91f650a889fb096b4141cd26f00)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 74bc32e13ed69a4e5a7217f1f5098bc17ff60466)
@@ -110,6 +110,10 @@
     MSG_ID_UI_SET_UF_VOLUME_PARAMETER = 0x4F,                           ///< UI request to validate new ultrafiltration volume treatment parameter
     MSG_ID_HD_SET_UF_VOLUME_PARAMETER_RESPONSE = 0x50,                  ///< HD response to new treatment parameters set
     MSG_ID_DG_COMMAND_RESPONSE = 0x51,                                  ///< DG response to command from HD
+    MSG_ID_DG_COMMAND_RESPONSE = 0x52,                                  ///< UI rinseback request
+    MSG_ID_DG_COMMAND_RESPONSE = 0x53,                                  ///< HD rinseback request response
+    MSG_ID_DG_COMMAND_RESPONSE = 0x54,                                  ///< UI re-circ request
+    MSG_ID_DG_COMMAND_RESPONSE = 0x55,                                  ///< HD re-circ request response
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing