Index: firmware/App/Drivers/TemperatureSensors.h
===================================================================
diff -u -re6504e7e162d00745033a55191d6f810d2753105 -r325e67dab10f6666702bf0f1256015b31e58de4f
--- firmware/App/Drivers/TemperatureSensors.h	(.../TemperatureSensors.h)	(revision e6504e7e162d00745033a55191d6f810d2753105)
+++ firmware/App/Drivers/TemperatureSensors.h	(.../TemperatureSensors.h)	(revision 325e67dab10f6666702bf0f1256015b31e58de4f)
@@ -37,7 +37,7 @@
 {
     D1_TEMP = 0,                                ///< First temp sensor to scan
     TEMPSENSORS_FIRST = D1_TEMP,                ///< Heat exchanger Inlet temperature sensor
-    X6_TEMP,                                    ///< Heat exchanger Outlet temperature sensor
+    D78_TEMP,                                   ///< Heat exchanger Outlet temperature sensor
     D4_TEMP,                                    ///< Hydraulics primary heater temperature sensor
     D50_TEMP,                                   ///< Trimmer heater temperature sensor
     BRD_TEMP,                                   ///< DD board temperature sensor ( thermistor )