Index: firmware/App/Controllers/BalancingChamber.c
===================================================================
diff -u -r5bc2cbda7e16937366aeae9f2b55995314120781 -r14cae75063dc6af729140082bce14a158a1b6506
--- firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 5bc2cbda7e16937366aeae9f2b55995314120781)
+++ firmware/App/Controllers/BalancingChamber.c	(.../BalancingChamber.c)	(revision 14cae75063dc6af729140082bce14a158a1b6506)
@@ -526,6 +526,9 @@
     freshDialPressure     = getFilteredPressure( D18_PRES );
     spentDialPressure     = getFilteredPressure( D51_PRES );
 
+    //Set Trimmer heater Target temp every BC cycle to catch up fresh dialysate temp
+    setHeaterTargetTemperature( D45_HEAT, getD4AverageTemperature() );
+
     BOOL isFreshDialysatePressureInRange = ( freshDialPressure >= FRESH_DIAL_PRESSURE_MIN_PSIG ) && ( freshDialPressure <= FRESH_DIAL_PRESSURE_MAX_PSIG );
     BOOL isSpentDialysatePressureInRange = ( spentDialPressure >= SPENT_DIAL_PRESSURE_MIN_PSIG ) && ( spentDialPressure <= SPENT_DIAL_PRESSURE_MAX_PSIG );
     BOOL isBCSwitchOnlyStatus            = ( TRUE == getBalChamberSwitchingOnlyStatus() );
@@ -744,6 +747,9 @@
     freshDialPressure     = getFilteredPressure( D18_PRES );
     spentDialPressure     = getFilteredPressure( D51_PRES );
 
+    //Set Trimmer heater Target temp every BC cycle to catch up fresh dialysate temp
+    setHeaterTargetTemperature( D45_HEAT, getD4AverageTemperature() );
+
     BOOL isFreshDialysatePressureInRange = ( freshDialPressure >= FRESH_DIAL_PRESSURE_MIN_PSIG ) && ( freshDialPressure <= FRESH_DIAL_PRESSURE_MAX_PSIG );
     BOOL isSpentDialysatePressureInRange = ( spentDialPressure >= SPENT_DIAL_PRESSURE_MIN_PSIG ) && ( spentDialPressure <= SPENT_DIAL_PRESSURE_MAX_PSIG );
     BOOL isBCSwitchOnlyStatus            = ( TRUE == getBalChamberSwitchingOnlyStatus() );