Index: firmware/App/Drivers/PressureSensor.h
===================================================================
diff -u -r3417933e6edf61a914c428e2fa944b3b349272a4 -r9c0f227670dcf68439c5ea86768d116cc6f9585e
--- firmware/App/Drivers/PressureSensor.h	(.../PressureSensor.h)	(revision 3417933e6edf61a914c428e2fa944b3b349272a4)
+++ firmware/App/Drivers/PressureSensor.h	(.../PressureSensor.h)	(revision 9c0f227670dcf68439c5ea86768d116cc6f9585e)
@@ -1,14 +1,14 @@
 /**************************************************************************
 *
-* Copyright (c) 2024-2025 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2024-2026 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    PressureSensor.h
 *
-* @author  (last)      “rkallala”
-* @date    (last)      23-Oct-2025
+* @author  (last)      Varshini Nagabooshanam
+* @date    (last)      22-Dec-2025
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  12-Sep-2024
@@ -41,7 +41,8 @@
     D51_PRES,                                   ///< Spent Dialysate pressure (PDs)
     D18_PRES,                                   ///< Fresh Dialysate pressure (PDf)
     D41_PRES,                                   ///< Transmembrane pressure (Ptm)
-    LAST_DD_PRESSURE_SENSOR = D41_PRES,         ///< End of DD pressure sensor group
+    D87_PRES,                                   ///< Dialysate pressure
+    LAST_DD_PRESSURE_SENSOR = D87_PRES,         ///< End of DD pressure sensor group
     M3_PRES,                                    ///< Water inlet pressure after regulator (PR0)
     FIRST_IO_PRESSURE_SENSOR = M3_PRES,         ///< Start of IO pressure sensor group
     LAST_IO_PRESSURE_SENSOR = M3_PRES,          ///< End of IO pressure sensor group