Index: MsgDefs.h
===================================================================
diff -u -r4a07e2337f10451bf526118eb87e70704cbc4a1a -re796e71f91cc6ea609a2aca1a9afdeb96428d118
--- MsgDefs.h	(.../MsgDefs.h)	(revision 4a07e2337f10451bf526118eb87e70704cbc4a1a)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision e796e71f91cc6ea609a2aca1a9afdeb96428d118)
@@ -195,6 +195,9 @@
     MSG_ID_UI_WATER_SAMPLE_RESULT_REQUEST = 0xA3,                                   ///< UI water sample result request
     MSG_ID_UI_PRESSURE_LIMIT_WIDEN_REQUEST = 0xA4,                                  ///< UI pressure limit widen request.
     MSG_ID_TD_PRESSURE_LIMIT_WIDEN_RESPONSE = 0xA5,                                 ///< TD pressure limit widen response.
+    MSG_ID_UI_RECIRCULATE_REQUEST = 0xA6,                                           ///< UI recirculate request
+    MSG_ID_TD_RECIRCULATE_RESPONSE = 0xA7,                                          ///< TD recirculate response
+    MSG_ID_TD_RECIRCULATE_DATA = 0xA8,                                              ///< TD recirculate data
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID