Index: firmware/App/Drivers/ConductivitySensors.h
===================================================================
diff -u -r6ebf16aefe8865d3ecca50348cabc3f42e676fb5 -r7b9a8c0cb9986368e1e38fcdb9daaf3cf707dfd2
--- firmware/App/Drivers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision 6ebf16aefe8865d3ecca50348cabc3f42e676fb5)
+++ firmware/App/Drivers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision 7b9a8c0cb9986368e1e38fcdb9daaf3cf707dfd2)
@@ -40,9 +40,9 @@
 /// Enumeration of conductivity sensors.
 typedef enum ConductivitySensors
 {
-    CONDUCTIVITYSENSORS_CPI_SENSOR = 0,                             ///< Inlet water conductivity sensor
-    CONDUCTIVITYSENSORS_FIRST = CONDUCTIVITYSENSORS_CPI_SENSOR,     ///< First conductivity sensor
-    CONDUCTIVITYSENSORS_CPO_SENSOR,                                 ///< RO outlet water conductivity sensor
+    P9_COND = 0,                                                    ///< Inlet water conductivity sensor
+    CONDUCTIVITYSENSORS_FIRST = P9_COND,                            ///< First conductivity sensor
+    P18_COND,                                                       ///< RO outlet water conductivity sensor
     NUM_OF_CONDUCTIVITY_SENSORS                                     ///< Number of conductivity sensors
 } CONDUCTIVITY_SENSORS_T;