Index: firmware/App/Modes/ModeHeatDisinfectActiveCool.c
===================================================================
diff -u -r9b8889b096ae02246e939468fc843f467de8c6bb -r8483d8dd3ceccefc737eac09f1e2bef772f22a06
--- firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision 9b8889b096ae02246e939468fc843f467de8c6bb)
+++ firmware/App/Modes/ModeHeatDisinfectActiveCool.c	(.../ModeHeatDisinfectActiveCool.c)	(revision 8483d8dd3ceccefc737eac09f1e2bef772f22a06)
@@ -935,7 +935,7 @@
             setValveState( VRF, VALVE_STATE_R1_C_TO_NC );
             // UV reactors
             turnOnUVReactor( INLET_UV_REACTOR );
-            turnOnUVReactor( OUTLET_UV_REACTOR );
+            turnOffUVReactor( OUTLET_UV_REACTOR );
             // Concentrate pumps
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID, ACID_PUMP_SPEED_ML_PER_MIN );
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, BICARB_PUMP_SPEED_ML_PER_MIN );
@@ -963,7 +963,7 @@
             setValveState( VRF, VALVE_STATE_R2_C_TO_NO );
             // UV reactors
             turnOnUVReactor( INLET_UV_REACTOR );
-            turnOnUVReactor( OUTLET_UV_REACTOR );
+            turnOffUVReactor( OUTLET_UV_REACTOR );
             // Concentrate pumps
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID, ACID_PUMP_SPEED_ML_PER_MIN );
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, BICARB_PUMP_SPEED_ML_PER_MIN );