Index: MsgDefs.h
===================================================================
diff -u -r6c93777aab8a4e7065538678b5a506b5a8f58a98 -rf0bb786528e009ef3479b37a298f7fc5b1f71a12
--- MsgDefs.h	(.../MsgDefs.h)	(revision 6c93777aab8a4e7065538678b5a506b5a8f58a98)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision f0bb786528e009ef3479b37a298f7fc5b1f71a12)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Varshini Nagabooshanam
-* @date    (last)      04-Feb-2026
+* @author  (last)      Sameer Kalliadan Poyil
+* @date    (last)      10-Feb-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -141,6 +141,7 @@
     MSG_ID_TD_DATE_AND_TIME_RESPONSE = 0x6D,                                        ///< TD date and time response
     MSG_ID_DD_DATE_AND_TIME_REQUEST = 0x6E,                                         ///< DD date and time request
     MSG_ID_DD_DATE_AND_TIME_RESPONSE = 0x6F,                                        ///< DD date and time response
+    MSG_ID_DD_DRY_BICART_DATA = 0x70,                                               ///< DD dry bicart data
     MSG_ID_FP_RO_REJECTION_RATIO_DATA = 0x71,                                       ///< FP broadcast RO Rejection ratio data
     MSG_ID_UI_PRESSURE_LIMITS_CHANGE_REQUEST = 0x72,                                ///< UI pressure limits change request
     MSG_ID_TD_PRESSURE_LIMITS_CHANGE_RESPONSE = 0x73,                               ///< TD pressure limits change response
@@ -353,12 +354,14 @@
     MSG_ID_DD_RINSE_PUMP_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA053,           ///< DD rinse pump broadcast data override request
     MSG_ID_DD_RINSE_PUMP_PWM_PERCENT_OVERRIDE_REQUEST = 0xA054,                     ///< DD rinse pump PWM percent override request
     MSG_ID_DD_RINSE_PUMP_TURN_ON_OFF_REQUEST = 0xA055,                              ///< DD rinse pump turn on/off request
-    MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST = 0xA056,                              ///< DD conductivity sensor set conductivity model
+    MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST = 0xA056,                              ///< DD set conductivity model to conductivity sensors ( also applies to FP conductivity sensors )
     MSG_ID_DD_DRY_BICART_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA057,           ///< DD dry bicart broadcast data overrride request
     MSG_ID_DD_DRY_BICART_FILL_CYCLE_MAX_OVERRIDE_REQUEST = 0xA058,                  ///< DD dry bicart fill cycle max count overrride request
     MSG_ID_DD_DRY_BICART_FILL_REQUEST_OVERRIDE_REQUEST = 0xA059,                    ///< DD dry bicart fill request overrride request
     MSG_ID_DD_BICARB_CHAMBER_FILL_REQUEST_OVERRIDE_REQUEST = 0xA05A,                ///< DD bicarb chamber fill request overrride request
-    MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST = 0xA05B,             ///< DD conductivity sensor resistance override request
+    MSG_ID_DD_BICART_DRAIN_REQUEST_OVERRIDE_REQUEST = 0xA05B,                       ///< DD bicarb drain request overrride request
+    MSG_ID_DD_BICART_CARTRIDGE_SELECT_OVERRIDE_REQUEST = 0xA05C,                    ///< DD bicarb cartridge select(small-0, large-1) overrride request
+    MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST = 0xA05D,             ///< DD conductivity sensor resistance override request
 
     MSG_ID_FIRST_FP_TESTER_MESSAGE = 0xB000,                                        ///< First FP test message ID
     MSG_ID_FP_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_FP_TESTER_MESSAGE,                ///< FP tester log-in