Index: firmware/App/Services/Reservoirs.c
===================================================================
diff -u -r94c4f859bf5a6844089972b41fb60a8d6ebd0463 -r0a587d42b41c5d9a81f69b9c1ae526d4e23ceaa8
--- firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision 94c4f859bf5a6844089972b41fb60a8d6ebd0463)
+++ firmware/App/Services/Reservoirs.c	(.../Reservoirs.c)	(revision 0a587d42b41c5d9a81f69b9c1ae526d4e23ceaa8)
@@ -87,7 +87,7 @@
 static U32 lastTimeReservoirInUF;                                                                        ///< Reservoir time in ultrafiltration from prior reservoir (in ms).
 static F32 volSpentUFML;                                                                                 ///< Ultrafiltration volume in milliliters.
 static DG_RESERVOIR_ID_T activeReservoir;                                                                ///< Active reservoir.
-static F32 recirculationLevelPct;                                                                        ///< Recirculation level in percent.
+static OVERRIDE_F32_T recirculationLevelPct = { 0.0, 0.0, 0.0, 0 };                                      ///< Recirculation level in percent.
 static U32 reservoirSwitchStartTimeMS;                                                                   ///< Reservoir switch start time in milliseconds.
 static S32 timeWaitToFillMS;                                                                             ///< Time to wait to fill in milliseconds.
 static F32 targetFillFlowLPM;                                                                            ///< Target fill flow in liters/minutes.
@@ -145,7 +145,7 @@
     lastTimeReservoirInUF       = 0;
     volSpentUFML                = 0.0F;
     activeReservoir             = getDGActiveReservoir();
-    recirculationLevelPct       = 0.0F;
+    recirculationLevelPct.data  = 0.0F;
     reservoirSwitchStartTimeMS  = 0;
     timeWaitToFillMS            = 0;
     targetFillFlowLPM           = 0.0F;
@@ -202,7 +202,7 @@
         volSpentML += ( flowRateMLPerMS * msSinceLastVolumeCalc );
         timeReservoirInUse++;
         // Check the recirculation level
-        recirculationLevelPct = volSpentML / (F32)prevTargetFillVolumeML[ getDGActiveReservoir() ];
+        recirculationLevelPct.data = volSpentML / (F32)prevTargetFillVolumeML[ getDGActiveReservoir() ];
     }
 
     // Update the reservoir start time
@@ -452,7 +452,7 @@
         data.activeReservoirUFVolML    = volSpentUFML;
         data.activeReservoirVolSpentML = volSpentML;
         data.dilLevelPct               = dilutionLevelPct * 100;
-        data.recircLevelPct            = recirculationLevelPct * 100;
+        data.recircLevelPct            = getF32OverrideValue( &recirculationLevelPct ) * 100;
         data.timeDepletionMS           = timeDepleteMS;
         data.timeWaitFillMS            = timeWaitToFillMS;
         data.tempRemoveTargetFillFlow  = targetFillFlowLPM;
@@ -593,13 +593,13 @@
 
     // If the recirculation level has exceeded the max allowed, raise the alarm to stop using the active reservoir as it has been
     // diluted to much
-    if ( recirculationLevelPct >= getReservoirRecirculationMaxPercent() )
+    if ( getF32OverrideValue( &recirculationLevelPct ) >= getReservoirRecirculationMaxPercent() )
     {
 #ifndef _RELEASE_
         if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_RESERVOIRS_ALARMS ) != SW_CONFIG_ENABLE_VALUE )
 #endif
         {
-            SET_ALARM_WITH_1_F32_DATA( ALARM_ID_HD_ACTIVE_RESERVOIR_RECIRCULATION_OUT_OF_RANGE, recirculationLevelPct )
+            SET_ALARM_WITH_1_F32_DATA( ALARM_ID_HD_ACTIVE_RESERVOIR_RECIRCULATION_OUT_OF_RANGE, getF32OverrideValue( &recirculationLevelPct ) )
         }
     }
 
@@ -738,4 +738,55 @@
     return targetFillVolumeML;
 }
 
+
+/*************************************************************************
+ *                       TEST SUPPORT FUNCTIONS
+ *************************************************************************/
+
+
+/*********************************************************************//**
+ * @brief
+ * The testSetRecirculationLevelPctOverride function overrides the recirculation
+ * percentage.
+ * @details Inputs: none
+ * @details Outputs: recirculationLevelPct
+ * @param value override percentage value with this
+ * @return TRUE if override successful, FALSE if not
+ *************************************************************************/
+BOOL testSetRecirculationLevelPctOverride( F32 value )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        result = TRUE;
+        recirculationLevelPct.ovData = value;
+        recirculationLevelPct.override = OVERRIDE_KEY;
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The testResetRecirculationLevelPctOverride function resets the override of the
+ * recirculation percentage.
+ * @details Inputs: none
+ * @details Outputs: recirculationLevelPct
+ * @return TRUE if reset successful, FALSE if not
+ *************************************************************************/
+BOOL testResetRecirculationLevelPctOverride( void )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        result = TRUE;
+        recirculationLevelPct.override = OVERRIDE_RESET;
+        recirculationLevelPct.ovData = recirculationLevelPct.ovInitData;
+    }
+
+    return result;
+}
+
 /**@}*/