Index: firmware/App/Modes/ModeGenDialysate.h
===================================================================
diff -u -rd210786d6c7d75bb0b4d9e18efc40a01d85123fe -re81c8386abc9ae2d00c27bfd3975543fe26141b4
--- firmware/App/Modes/ModeGenDialysate.h	(.../ModeGenDialysate.h)	(revision d210786d6c7d75bb0b4d9e18efc40a01d85123fe)
+++ firmware/App/Modes/ModeGenDialysate.h	(.../ModeGenDialysate.h)	(revision e81c8386abc9ae2d00c27bfd3975543fe26141b4)
@@ -7,8 +7,8 @@
 *
 * @file    ModeGenDialysate.h
 *
-* @author  (last)      Sameer Kalliadan Poyil
-* @date    (last)      03-Feb-2026
+* @author  (last)      Jashwant Gantyada
+* @date    (last)      13-Mar-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  06-Nov-2024
@@ -32,6 +32,7 @@
 // ********** public definitions **********
 
 #define FRESH_DIAL_PUMP_INITIAL_RPM             2500                                        ///< Nominal RPM target for fresh dialysate pump to maintain required pressure.
+#define FRESH_DIAL_PUMP_INITIAL_RPM_B1_9_B2_0   1250                                        ///< Nominal RPM target for fresh dialysate pump for beta 1.9 and 2.0 hardware.
 #define SPENT_DIAL_PUMP_INITIAL_RPM             2300                                        ///< Nominal RPM target for spent dialysate pump to maintain required pressure.
 #define DIAL_PUMP_DRAIN_RPM                     1000                                        ///< Nominal RPM target for dialysate pump to drain the dry bicart.
 #define SPENT_DIAL_PUMP_FILL_RPM                200                                         ///< Nominal RPM target for spent chamber fill operations.
@@ -58,6 +59,10 @@
 void setTreatmentParamUpdate( void );                       // To indicate one or more treatment parameters updated
 void updateTreatmentSettings( void );                       // Process the recent treatment parameters changes
 BOOL requestDDGenDialyasteStop( void );                     // Stop generate dialysate
+U32 getD48PumpSpeedForBCFill( void );                       // Get D48 pump speed
+void setD48PumpSpeedForBCFill( U32 pumpSpeed );             // Set D48 pump speed
+U32 calculateD48PumpSpeedForBCFill( void );                 // Calculate and store initial D48 pump speed
+U32 getCalculatedD48PumpSpeedForBCFill( void );             // Get nominal D48 speed from formula only
 
 BOOL testDDGenDialysateDataPublishIntervalOverride( MESSAGE_T *message );   // GenD Mode data publish interval override
 BOOL testDialDeliveryInProgressOverride( MESSAGE_T *message );              // To override the dialysate delivery in progress flag