Index: firmware/App/Drivers/PressureSensor.h
===================================================================
diff -u -re6504e7e162d00745033a55191d6f810d2753105 -rc9a16bd5cab11fef6078dac1dd1cf62ab59801f3
--- firmware/App/Drivers/PressureSensor.h	(.../PressureSensor.h)	(revision e6504e7e162d00745033a55191d6f810d2753105)
+++ firmware/App/Drivers/PressureSensor.h	(.../PressureSensor.h)	(revision c9a16bd5cab11fef6078dac1dd1cf62ab59801f3)
@@ -42,15 +42,15 @@
     D18_PRES,                                   ///< Fresh Dialysate pressure (PDf)
     D41_PRES,                                   ///< Transmembrane pressure (Ptm)
     LAST_DD_PRESSURE_SENSOR = D41_PRES,         ///< End of DD pressure sensor group
-    M1_PRES,                                    ///< Water inlet pressure before regulator (PRi)
-    FIRST_IO_PRESSURE_SENSOR = M1_PRES,         ///< Start of IO pressure sensor group
-    M3_PRES,                                    ///< Water inlet pressure after regulator (PRo)
+    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
     P8_PRES,                                    ///< Water inlet pressure before conductivity sensor
     FIRST_FP_PRESSURE_SENSOR = P8_PRES,         ///< Start of FP pressure sensor group
     P13_PRES,                                   ///< Pressure before RO filter
     P17_PRES,                                   ///< Pressure after RO filter
-    LAST_FP_PRESSURE_SENSOR = P17_PRES,         ///< End of FP pressure sensor group
+    P46_PRES,                                   ///< Pressure after sediment filter
+    LAST_FP_PRESSURE_SENSOR = P46_PRES,         ///< End of FP pressure sensor group
     NUM_OF_PRESSURE_SENSORS                     ///< Number of pressure sensors
 } PRESSURE_SENSORS_T;