Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -rd3671cad1447db7ad496ad6282324ef7570c5625 -r45263215b372cd579e8e16bb8073c287c726c55d
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision d3671cad1447db7ad496ad6282324ef7570c5625)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 45263215b372cd579e8e16bb8073c287c726c55d)
@@ -64,7 +64,7 @@
 #define DRAIN_PUMP_TARGET_DELTA_PRESSURE            0.0 ///< Drain pump target delta pressure
 #define DRAIN_PUMP_EVACUATE_FLUID_TARGET_RPM        2800U ///< Drain pump target RPM during evacuating the fluid path
 #define DRAIN_PUMP_DISINFECT_DRAIN_PATH_TARGET_RPM  1500U ///< Drain pump target RPM during heat disinfection
-#define RO_PUMP_TARGET_FILL_FLOW_RATE_LPM           0.9 ///< RO pump target fill flow rate
+#define RO_PUMP_TARGET_FILL_FLOW_RATE_LPM           0.8 ///< RO pump target fill flow rate
 #define RO_PUMP_TARGET_FILL_MAX_PRESSURE            140 ///< RO pump max allowed pressure during fillin the reservoirs
 #define RO_PUMP_TARGET_HEAT_UP_FLOW_RATE_LPM        0.5 ///< RO pump target flow rate during heating up the fluid
 #define RO_PUMP_TARGET_HEAT_UP_MAX_PRESSURE         30  ///< RO pump max allowed pressure during heating up water