Index: firmware/App/Modes/ModeHeatDisinfectActiveCool.c
===================================================================
diff -u -r6c09efba6e0470bc899103e003e2ab3e3602a27c -re679a308ab231e03f8e5951fbcb0fe446f3f8fe9
--- firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision 6c09efba6e0470bc899103e003e2ab3e3602a27c)
+++ firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision e679a308ab231e03f8e5951fbcb0fe446f3f8fe9)
@@ -63,7 +63,7 @@
 #define ROF_ACTIVE_COOL_INITIAL_TARGET_DRAIN_RPM        600                                                         ///< RO active cool initial target drain RPM.
 #define ROF_ACTIVE_COOL_TARGET_DARIN_RPM                300                                                         ///< RO active cool target drain RPM.
 #define ROF_ACTIVE_COOL_MIX_DRAIN_VALVE_ON_TIMEOUT_MS   ( 4 * MS_PER_SECOND )                                       ///< RO active cool mix drain VPd turn on timeout in milliseconds.
-#define ROF_ACTIVE_COOL_RSRVR_MIX_DRAIN_TIMEOUT_MS      ( 8 * SEC_PER_MIN * MS_PER_SECOND )                         ///< RO active cool reservoir mix drain timeout in milliseconds.
+#define ROF_ACTIVE_COOL_RSRVR_MIX_DRAIN_TIMEOUT_MS      ( 4 * SEC_PER_MIN * MS_PER_SECOND )                         ///< RO active cool reservoir mix drain timeout in milliseconds.
 #define ROF_ACTIVE_COOL_MIX_DRAIN_STEADY_TIMEOUT_MS     ( 15 * MS_PER_SECOND )                                      ///< RO active cool mix drain steady timeout in milliseconds.
 
 // Reservoir cool down defines