Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -rd9c2c8e146f20a2acefb9ac1f6497536fb2c404e -r1256c2a1839f3f3314cbf590d8b30f27612708ba
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision d9c2c8e146f20a2acefb9ac1f6497536fb2c404e)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 1256c2a1839f3f3314cbf590d8b30f27612708ba)
@@ -667,7 +667,7 @@
         }
 #endif
 
-        if ( ( TRUE == isConductivityInRange ) || ( getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) != FALSE ) )
+        if ( ( TRUE == isConductivityInRange ) || ( TRUE == getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) ) )
         {
             // Initialization
             requestConcentratePumpOff( CONCENTRATEPUMPS_CP2_BICARB, NO_PARK_CONC_PUMPS );
@@ -739,7 +739,7 @@
 #endif
         {
             if ( ( TRUE == isValueWithinPercentRange( averageAcidConductivity, acidCondUSPerCM, FIVE_PERCENT_FACTOR ) ) ||
-                 ( getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) != FALSE ) )
+                 ( TRUE == getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) ) )
             {
                 hasAcidTestPassed = TRUE;
             }
@@ -934,7 +934,7 @@
                 F32 avgCPo = sumFillCPoConductivity / (F32)fillCPoConductivitySampleCnt;  // sample count incremented above w/o condition so no need for divide by zero checks
                 F32 avgRR  = sumFillRejRatio / (F32)fillCPoConductivitySampleCnt;
 
-                if ( ( avgCPo > MAX_CPO_CONDUCTIVITY_ALLOW ) || ( getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) != FALSE ) )
+                if ( ( avgCPo > MAX_CPO_CONDUCTIVITY_ALLOW ) || ( TRUE == getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) ) )
                 {
                     // Fault alarm per PRS 483
                     SET_ALARM_WITH_2_F32_DATA( ALARM_ID_DG_OUTLET_PRIMARY_CONDUCTIVITY_OUT_OF_RANGE, avgCPo, MAX_CPO_CONDUCTIVITY_ALLOW );
@@ -965,7 +965,7 @@
         {
             // SRSDG 400
             if ( ( FALSE == isValueWithinPercentRange( avgBicarbConductivity, bicarbNormalConductivity, FIVE_PERCENT_FACTOR ) ) ||
-                 ( getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) != FALSE ) )
+                 ( TRUE == getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) ) )
             {
                 setBadAvgConductivityDetectedFlag( TRUE );          // signal idle bad avg conductivity detected
                 setThisFisrtFillFlag( TRUE );
@@ -975,7 +975,7 @@
             }
 
             if ( ( FALSE == isValueWithinPercentRange( avgAcidConductivity, acidNormalConductivity, FIVE_PERCENT_FACTOR ) ) ||
-                 ( getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) != FALSE ))
+                 ( TRUE == getTestConfigStatus( TEST_CONFIG_ENABLE_MIXING_WITH_WATER ) ) )
             {
                 setBadAvgConductivityDetectedFlag( TRUE );          // signal idle bad avg conductivity detected
                 setThisFisrtFillFlag( TRUE );