Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r50b3e0bc180241fdae6e8d1bc366d69603164bbb -r3d0c86bab8540914d9f3cfdbdd321f35db623999
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 50b3e0bc180241fdae6e8d1bc366d69603164bbb)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 3d0c86bab8540914d9f3cfdbdd321f35db623999)
@@ -7,8 +7,8 @@
 *
 * @file    Messaging.c
 *
-* @author  (last)      Raghu Kallala
-* @date    (last)      06-Apr-2026
+* @author  (last)      Michael Garthwaite
+* @date    (last)      15-Apr-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -129,28 +129,19 @@
     { MSG_ID_DD_PRESSURE_SENSOR_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                  &testDDPressureSensorDataPublishIntervalOverride },
     { MSG_ID_DD_PRESSURE_SENSOR_FILTER_READINGS_OVERRIDE_REQUEST,                   &testDDPressureSensorFilteredReadingsOverride },
     { MSG_ID_DD_PRESSURE_SENSOR_FILTER_TEMPERATURE_OVERRIDE_REQUEST,                &testDDPressureSensorFilteredTemperatureReadingsOverride },
-#ifdef __TEENSY_CONDUCTIVITY_DRIVER__
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_PUBLISH_INTERVAL_OVERRIDE_REQUEST,              &testDDConductivitySensorDataPublishIntervalOverride },
     { MSG_ID_FP_CONDUCTIVITY_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                     &testFPConductivitySensorDataPublishIntervalOverride },
+    { MSG_ID_DD_CONDUCTIVITY_SENSOR_READINGS_OVERRIDE_REQUEST,                      &testConductivitySensorReadingsOverride },
+    { MSG_ID_DD_CONDUCTIVITY_SENSOR_TEMPERATURE_OVERRIDE_REQUEST,                   &testConductivitySensorTemperatureOverride },
+    { MSG_ID_FP_CONDUCTIVITY_SENSOR_READINGS_OVERRIDE_REQUEST,                      &testConductivitySensorReadingsOverride },
+    { MSG_ID_FP_CONDUCTIVITY_SENSOR_TEMPERATURE_OVERRIDE_REQUEST,                   &testConductivitySensorTemperatureOverride },
     { MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST,                                     &testSetTeenyConductivityModel },
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_READINGS_OVERRIDE_REQUEST,                      &testTeensyConductivitySensorReadingsOverride },
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_TEMPERATURE_OVERRIDE_REQUEST,                   &testTeensyConductivitySensorTemperatureReadingsOverride },
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST,                    &testTeensyConductivitySensorResistanceReadingsOverride },
-    { MSG_ID_FP_CONDUCTIVITY_OVERRIDE_REQUEST,                                      &testTeensyConductivitySensorReadingsOverride },
-    { MSG_ID_FP_CONDUCTIVITY_TEMP_OVERRIDE_REQUEST,                                 &testTeensyConductivitySensorTemperatureReadingsOverride },
     { MSG_ID_FP_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST,                    &testTeensyConductivitySensorResistanceReadingsOverride },
-#else
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_READINGS_OVERRIDE_REQUEST,                      &testDDConductivitySensorReadingsOverride },
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_TEMPERATURE_OVERRIDE_REQUEST,                   &testDDConductivitySensorTemperatureReadingsOverride },
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_READ_COUNTER_OVERRIDE_REQUEST,                  &testDDConductivitySensorReadCounterOverride },
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_ERROR_COUNTER_OVERRIDE_REQUEST,                 &testDDConductivitySensorErrorCounterOverride },
-    { MSG_ID_DD_CONDUCTIVITY_SENSOR_PUBLISH_INTERVAL_OVERRIDE_REQUEST,              &testDDConductivitySensorDataPublishIntervalOverride },
-    { MSG_ID_FP_CONDUCTIVITY_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                     &testFPConductivitySensorDataPublishIntervalOverride },
-    { MSG_ID_FP_CONDUCTIVITY_OVERRIDE_REQUEST,                                      &testFPConductivitySensorReadingsOverride },
-    { MSG_ID_FP_CONDUCTIVITY_TEMP_OVERRIDE_REQUEST,                                 &testFPConductivitySensorTemperatureReadingsOverride },
-    { MSG_ID_FP_CONDUCTIVITY_READ_COUNT_OVERRIDE_REQUEST,                           &testFPConductivitySensorReadCounterOverride },
-    { MSG_ID_FP_CONDUCTIVITY_ERROR_COUNT_OVERRIDE_REQUEST,                          &testFPConductivitySensorErrorCounterOverride },
-#endif
+    { MSG_ID_DD_CONDUCTIVITY_SENSOR_CONDUCTIVITY_READ_COUNTER_OVERRIDE_REQUEST,     &testConductivitySensorConductivityReadCounterOverride },
+    { MSG_ID_DD_CONDUCTIVITY_SENSOR_CONDUCTIVITY_ERROR_COUNTER_OVERRIDE_REQUEST,    &testConductivitySensorConductivityErrorCounterOverride },
+    { MSG_ID_FP_CONDUCTIVITY_SENSOR_CONDUCTIVITY_READ_COUNT_OVERRIDE_REQUEST,       &testConductivitySensorConductivityReadCounterOverride },
+    { MSG_ID_FP_CONDUCTIVITY_SENSOR_CONDUCTIVITY_ERROR_COUNT_OVERRIDE_REQUEST,      &testConductivitySensorConductivityErrorCounterOverride },
     { MSG_ID_DD_CONCENTRATE_PUMP_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                 &testConcentratePumpDataPublishIntervalOverride },
     { MSG_ID_DD_CONCENTRATE_PUMP_TARGET_SPEED_OVERRIDE_REQUEST,                     &testConcentratePumpTargetSpeedOverride },
     { MSG_ID_DD_CONCENTRATE_PUMP_MEASURED_SPEED_OVERRIDE_REQUEST,                   &testConcentratePumpMeasuredSpeedOverride },
@@ -292,6 +283,10 @@
     { MSG_ID_DD_BICART_LOWER_PRESSURE_OVERRIDE_REQUEST,                             &testDryBiCartLowerCartPressureOverride } ,
     { MSG_ID_FP_SET_OPERATION_SUB_MODE_REQUEST,                                     &testSetFPOperationSubMode },
     { MSG_ID_FP_BOOST_PUMP_INSTALL_STATUS_REQUEST,                                  &testGetFPBoostPumpInstallStatus },
+    { MSG_ID_DD_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },
+    { MSG_ID_FP_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },
+    { MSG_ID_DD_TEMPERATURE_SENSOR_FILTERED_TEMP_OVERRIDE_REQUEST,                  &testDDTemperatureSensorFilteredReadingsOverride },
+    { MSG_ID_FP_SET_RECOVERY_VALVES_REQUEST,                                        &testIOFPSetValveRecoveryConfig },
 };
 
 /// Calculation for number of entries in the incoming message function handler look-up table.