Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -ra569e34b86e389ce6d6f4c971ea86d2690dbaaed -r4cdcb589ad34efa472c94180e6de938132cbc89b
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision a569e34b86e389ce6d6f4c971ea86d2690dbaaed)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 4cdcb589ad34efa472c94180e6de938132cbc89b)
@@ -529,12 +529,12 @@
     if ( getTestConfigStatus( TEST_CONFIG_DD_FP_ENABLE_BETA_1_0_HW ) == TRUE )
     {
         //Set Trimmer heater Target temp every BC cycle to catch up fresh dialysate temp
-        setHeaterTargetTemperature( D45_HEAT, getD4AverageTemperature() );
+        setHeaterTargetTemperature( D45_HEAT, getFilteredTemperatureValue( D4_TEMP ) );
     }
     else
     {
         //Set Trimmer heater Target temp every BC cycle to catch up fresh dialysate temp
-        setHeaterTargetTemperature( D45_HEAT, getD99AverageTemperature() );
+        setHeaterTargetTemperature( D45_HEAT, getFilteredTemperatureValue( D99_TEMP ) );
     }
 
     // Check fresh dialysate pressure in range or BC switch only flag set or BC pressure alarms are disabled
@@ -821,12 +821,12 @@
     if ( getTestConfigStatus( TEST_CONFIG_DD_FP_ENABLE_BETA_1_0_HW ) == TRUE )
     {
         //Set Trimmer heater Target temp every BC cycle to catch up fresh dialysate temp
-        setHeaterTargetTemperature( D45_HEAT, getD4AverageTemperature() );
+        setHeaterTargetTemperature( D45_HEAT, getFilteredTemperatureValue( D4_TEMP ) );
     }
     else
     {
         //Set Trimmer heater Target temp every BC cycle to catch up fresh dialysate temp
-        setHeaterTargetTemperature( D45_HEAT, getD99AverageTemperature() );
+        setHeaterTargetTemperature( D45_HEAT, getFilteredTemperatureValue( D99_TEMP ) );
     }
 
     // Check fresh dialysate pressure in range