Index: firmware/App/Modes/ModeRecirculate.c
===================================================================
diff -u -r4d7d40a27130dc813d653f044cbb856b1b7d8481 -rdd7fad816b77aee7febdc79785eb74102b844370
--- firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision 4d7d40a27130dc813d653f044cbb856b1b7d8481)
+++ firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision dd7fad816b77aee7febdc79785eb74102b844370)
@@ -18,6 +18,7 @@
 
 #include "etpwm.h"
 
+#include "ConcentratePumps.h"
 #include "ConductivitySensors.h"
 #include "DrainPump.h"
 #include "FPGA.h"
@@ -86,8 +87,9 @@
     setROPumpTargetPressure( TARGET_RO_PRESSURE_PSI, PUMP_CONTROL_MODE_CLOSED_LOOP );
     signalDrainPumpHardStop();
     startPrimaryHeater();
+    requestConcentratePumpsOff();
     // UV on
-    // conc. pumps off
+
 #ifndef _VECTORCAST_
     {   // TODO - test code to start the fan since we're turning the heater on
         F32 fanPWM = 0.25;
Index: firmware/App/Modes/ModeStandby.c
===================================================================
diff -u -r87a22cbaa87daab0d7cedabc67452cead83d8630 -rdd7fad816b77aee7febdc79785eb74102b844370
--- firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision 87a22cbaa87daab0d7cedabc67452cead83d8630)
+++ firmware/App/Modes/ModeStandby.c	(.../ModeStandby.c)	(revision dd7fad816b77aee7febdc79785eb74102b844370)
@@ -15,6 +15,7 @@
 *
 ***************************************************************************/
 
+#include "ConcentratePumps.h"
 #include "CPLD.h"
 #include "DrainPump.h"
 #include "Heaters.h"
@@ -84,7 +85,7 @@
     signalDrainPumpHardStop();
     stopPrimaryHeater();
     stopTrimmerHeater();
-    // conc. pumps off
+    requestConcentratePumpsOff();
     // UV off
 
     resetReservoirLoadCellsOffset( RESERVOIR_1 );
Index: firmware/App/Services/Reservoirs.c
===================================================================
diff -u -r3f22d883958a14b6193d6cd59c9acdbbd359b69e -rdd7fad816b77aee7febdc79785eb74102b844370
--- firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision 3f22d883958a14b6193d6cd59c9acdbbd359b69e)
+++ firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision dd7fad816b77aee7febdc79785eb74102b844370)
@@ -17,7 +17,6 @@
 
 #include <string.h>     // for memcpy()
 
-#include "ConcentratePumps.h"
 #include "Heaters.h"
 #include "LoadCell.h"
 #include "ModeRecirculate.h"
@@ -197,8 +196,7 @@
     // stop fill command only valid in fill mode
     if ( DG_MODE_FILL == getCurrentOperationMode() )
     {
-        fillVolumeTargetMl.data = 0;
-        requestConcentratePumpsOff();
+        fillVolumeTargetMl.data = 0;
         requestNewOperationMode( DG_MODE_CIRC );
         result = TRUE;
     }