Index: DDDefs.h
===================================================================
diff -u -r9c0cb6f2a12d3142283ca498a57369506589a0d0 -rc138b6c9d4f5239d252b6343ed791a97e02c6f44
--- DDDefs.h	(.../DDDefs.h)	(revision 9c0cb6f2a12d3142283ca498a57369506589a0d0)
+++ DDDefs.h	(.../DDDefs.h)	(revision c138b6c9d4f5239d252b6343ed791a97e02c6f44)
@@ -7,8 +7,8 @@
 *
 * @file    DDDefs.h
 *
-* @author  (last)      Sameer Kalliadan Poyil
-* @date    (last)      10-Feb-2026
+* @author  (last)      Raghu Kallala
+* @date    (last)      23-Feb-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -392,12 +392,12 @@
     D26_VALV,                                     ///< Balancing chamber Valve 7 (D26)
     D22_VALV,                                     ///< Balancing chamber Valve 8 (D22)
     LAST_BC_VALVE = D22_VALV,                     ///< End of Balancing Chamber valve group
-    D79_PMP_VALV,                                 ///< D79 Pump mapped to Spare valve 0
-    FIRST_SP_VALVE = D79_PMP_VALV,                ///< First spare valve
+    D88_79_VALV,                                  ///< D88 Valve mapped to Spare valve 0  // TODO to be renamed to D88_VALV once Beta1.9 is obsolete
+    FIRST_SP_VALVE = D88_79_VALV,                 ///< First spare valve
     D83_VALV,                                     ///< D83 Valve mapped to Spare valve 1
     D91_VALV,                                     ///< D91 Valve mapped to Spare valve 2
-    SPARE3_VALV,                                  ///< Spare Valve 3
-    SPARE4_VALV,                                  ///< Spare Valve 4
+    D104_VALV,                                    ///< D104 Valve mapped to Spare valve 3
+    D95_VALV,                                     ///< D95 Valve mapped to Spare valve 4
     SPARE5_VALV,                                  ///< Spare Valve 5
     D100_VALV,                                    ///< D100 Valve mapped to Spare valve 6
     SPARE7_VALV,                                  ///< Spare Valve 7