Index: firmware/App/Monitors/Temperature.c
===================================================================
diff -u -rd748813399d38ef5b71d760e327e368cc82d7a38 -r72de2cfa37decafea02ad19a52e44aca5d3da024
--- firmware/App/Monitors/Temperature.c	(.../Temperature.c)	(revision d748813399d38ef5b71d760e327e368cc82d7a38)
+++ firmware/App/Monitors/Temperature.c	(.../Temperature.c)	(revision 72de2cfa37decafea02ad19a52e44aca5d3da024)
@@ -379,6 +379,7 @@
 static void filterDialTemperatureReadings( void )
 {
     DIAL_TEMPERATURE_SENSORS_T i;
+    F32 temperatureC = 0.0F;
 
     for ( i = DIAL_TEMP_FIRST; i < NUM_OF_DIAL_TEMPS; i++ )
     {
@@ -390,10 +391,19 @@
         else if ( TRUE == didTimeout( dialTempMovingAvgData[ i ].dialTempDataColStartTimeMS, D28_D30_DATA_COLLECTION_TIME_MS ) )
         {
             CONDUCTIVITY_SENSORS_T sensor = ( DIAL_TEMP_D28 == i ? D27_COND : D29_COND );
+
 #ifdef __TEENSY_CONDUCTIVITY_DRIVER__
-            F32 temperatureC             = getTeensyConductivityTemperatureValue( sensor );
+
+            if (sensor != D74_COND)
+            {
+                temperatureC = getTeensyConductivityTemperatureValue( sensor );
+            }
+            else
+            {
+                temperatureC = getConductivityTemperatureValue( sensor );
+            }
 #else
-            F32 temperatureC             = getConductivityTemperatureValue( sensor );
+            temperatureC = getConductivityTemperatureValue( sensor );
 #endif
             U32 currentIndex             = dialTempMovingAvgData[ i ].dialTempSamplesNextIndex;
             F32 prevSampleToRemoveC      = dialTempMovingAvgData[ i ].dialTempSamplesC[ currentIndex ];
@@ -530,7 +540,7 @@
         data.d28CondTemp    = getTeensyConductivityTemperatureValue( D27_COND );
         data.d30CondTemp    = getTeensyConductivityTemperatureValue( D29_COND );
         data.d44CondTemp    = getTeensyConductivityTemperatureValue( D43_COND );
-        data.d75CondTemp    = getTeensyConductivityTemperatureValue( D74_COND );
+        data.d75CondTemp    = getConductivityTemperatureValue( D74_COND );
 #else
         data.d16CondTemp    = getConductivityTemperatureValue( D17_COND );
         data.d28CondTemp    = getConductivityTemperatureValue( D27_COND );