Index: firmware/App/Modes/ModeGenDialysate.c
===================================================================
diff -u -r9b0538b33513dd1443e64c3b1c894133476255d8 -rb689a4627e86e263cb69e83b91e80802bf411c92
--- firmware/App/Modes/ModeGenDialysate.c	(.../ModeGenDialysate.c)	(revision 9b0538b33513dd1443e64c3b1c894133476255d8)
+++ firmware/App/Modes/ModeGenDialysate.c	(.../ModeGenDialysate.c)	(revision b689a4627e86e263cb69e83b91e80802bf411c92)
@@ -266,7 +266,7 @@
             startHeater( D5_HEAT );
 
             //Turn on Trimmer heater
-            setHeaterTargetTemperature( D45_HEAT,  getD4AverageTemperature() );
+            setHeaterTargetTemperature( D45_HEAT,  getFilteredTemperatureValue( D4_TEMP ) );
             startHeater( D45_HEAT );
 
             //Testing : Enable close loop once testing is complete
@@ -303,7 +303,7 @@
             startHeater( D5_HEAT );
 
             //Turn on Trimmer heater
-            setHeaterTargetTemperature( D45_HEAT, getD4AverageTemperature() );
+            setHeaterTargetTemperature( D45_HEAT, getFilteredTemperatureValue( D4_TEMP ) );
             startHeater( D45_HEAT );
 
             //setDialysatePumpTargetRPM( D12_PUMP, FRESH_DIAL_PUMP_INITIAL_RPM, FALSE );