Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -rd3ac03d830937c076c9aedd37487981e808315ec -r3ee95c7a0e4a4618837494ba59240422f594c868
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision d3ac03d830937c076c9aedd37487981e808315ec)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 3ee95c7a0e4a4618837494ba59240422f594c868)
@@ -877,7 +877,7 @@
             turnOffUVReactor( OUTLET_UV_REACTOR );
             // Set the valves to drain R2 and no fill
             setValveState( VPI, VALVE_STATE_CLOSED );
-            setValveState( VPD, VALVE_STATE_OPEN_C_TO_NC );
+            setValveState( VPD, VALVE_STATE_DRAIN_C_TO_NO );
             setValveState( VPO, VALVE_STATE_FILL_C_TO_NC );
             setValveState( VRO, VALVE_STATE_R1_C_TO_NO );
             setValveState( VRD2, VALVE_STATE_OPEN );