Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -rab14e70c7bac24b0c3ebd02c6763285cdd3951ce -rb0a5452ec4b9be9be937095b1249079a2fce5ce5
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision ab14e70c7bac24b0c3ebd02c6763285cdd3951ce)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision b0a5452ec4b9be9be937095b1249079a2fce5ce5)
@@ -89,13 +89,13 @@
 #define HEAT_DISINFECT_START_TEMPERATURE_C         81.0F                                                       ///< Heat disinfect minimum acceptable temperature in C.
 
 // R1 to R2 & R2 to R1 heat disinfect circulation
-#define HEAT_DISINFECT_TARGET_RO_FLOW_LPM          1.5F   // TODO this was 1.3                                                      ///< Heat disinfect target RO flow rate in L/min.
-#define HEAT_DISINFECT_MAX_RO_PRESSURE_PSI         45    // TODO this was 30                                                      ///< Heat disinfect maximum RO pressure in psi.
-#define HEAT_DISINFECT_TARGET_DRAIN_PRES_PSI       15.0F   // TOD was 12                                                     ///< Heat disinfect target drain outlet pressure in psi.
+#define HEAT_DISINFECT_TARGET_RO_FLOW_LPM          1.3F   // TODO this was 1.3                                                      ///< Heat disinfect target RO flow rate in L/min.
+#define HEAT_DISINFECT_MAX_RO_PRESSURE_PSI         30    // TODO this was 30                                                      ///< Heat disinfect maximum RO pressure in psi.
+#define HEAT_DISINFECT_TARGET_DRAIN_PRES_PSI       12.0F   // TODO was 12                                                     ///< Heat disinfect target drain outlet pressure in psi.
 #define HEAT_DISINFECT_TIME_MS                     ( 10 * SEC_PER_MIN * MS_PER_SECOND )                        ///< Heat disinfect time for each section in milliseconds.
 #define HEAT_DISINFECT_START_TEMP_TIMOUT_MS        ( 4 * MIN_PER_HOUR * SEC_PER_MIN * MS_PER_SECOND )          ///< Heat disinfect reaching to minimum temperature timeout in milliseconds.
 #define RSRVRS_TARGET_VOL_OUT_TIMEOUT_MS           ( 0.5F * SEC_PER_MIN * MS_PER_SECOND )                      ///< Reservoirs 1 & 2 maximum volume out of range timeout during heat disinfect. TODO change this to 5 seconds
-#define RSRVRS_MAX_TARGET_VOL_CHANGE_ML            600.0F                                                      ///< Reservoirs 1 & 2 maximum allowed volume change when full during heat disinfect. TODO original value is 100 mL
+#define RSRVRS_MAX_TARGET_VOL_CHANGE_ML            150.0F                                                      ///< Reservoirs 1 & 2 maximum allowed volume change when full during heat disinfect.
 #define POST_HEAT_DISINFECT_WAIT_TIME_MS           ( 3 * SEC_PER_MIN * MS_PER_SECOND )                         ///< Heat disinfect final wait time before flushing the system in milliseconds.
 
 // Cool down RO filter