Index: firmware/App/Modes/ModeTreatmentParams.c
===================================================================
diff -u -re42bc54b5c3ff134d9f4526034e3c522a64f0cdf -raef3220987083ca1392a894cd50e3b8599aaa32a
--- firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision e42bc54b5c3ff134d9f4526034e3c522a64f0cdf)
+++ firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision aef3220987083ca1392a894cd50e3b8599aaa32a)
@@ -43,8 +43,8 @@
 
 #define NO_HEPARIN_TYPE_SET                     0xFFFFFFFF              ///< UI will send this value for Heparin type if Heparin not used
 #define INSTIT_CHEM_DISINFECT_ENABLE_RANGE      1                       ///< Institutional record chemical disinfect enable/disable allowable range
-#define INSTIT_RO_REJECTION_RATIO_MIN           0.0F                    ///< Institutional record RO rejection ratio minimum
-#define INSTIT_RO_REJECTION_RATIO_MAX           1.0F                    ///< Institutional record RO rejection ratio maximum
+#define INSTIT_MAX_RO_REJECTION_RATIO_MIN       0.0F                    ///< Institutional record max RO rejection ratio minimum
+#define INSTIT_MAX_RO_REJECTION_RATIO_MAX       1.0F                    ///< Institutional record max RO rejection ratio maximum
 
 /// Record for range and default of treatment parameters.
 typedef struct
@@ -1028,8 +1028,8 @@
                 ( nvInstRcrd->maxHeparinBolusVolumeML          <= TREAT_PARAMS_PROPERTIES[ TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME ].max.sFlt )      ? TRUE : FALSE );
     result &= ( ( nvInstRcrd->minHeparinBolusVolumeML          <= nvInstRcrd->maxHeparinBolusVolumeML )                                           ? TRUE : FALSE );
     result &= ( ( nvInstRcrd->enableChemicalDisinfect          <= INSTIT_CHEM_DISINFECT_ENABLE_RANGE )                                            ? TRUE : FALSE );
-    result &= ( ( nvInstRcrd->roRejectionRatio                 >= INSTIT_RO_REJECTION_RATIO_MIN )                                                 &&
-                ( nvInstRcrd->roRejectionRatio                 <= INSTIT_RO_REJECTION_RATIO_MAX )                                                 ? TRUE : FALSE );
+    result &= ( ( nvInstRcrd->maxRORejectionRatio              >= INSTIT_MAX_RO_REJECTION_RATIO_MIN )                                             &&
+                ( nvInstRcrd->maxRORejectionRatio              <= INSTIT_MAX_RO_REJECTION_RATIO_MAX )                                             ? TRUE : FALSE );
 
     return result;
 }