Index: firmware/App/Modes/ModeChemicalDisinfectFlush.c
===================================================================
diff -u -rc4f3105da2ed8a7c40950588b54b79067185a3ad -rc940dea020a10f2bab23ae92aa6932c375c26dd4
--- firmware/App/Modes/ModeChemicalDisinfectFlush.c	(.../ModeChemicalDisinfectFlush.c)	(revision c4f3105da2ed8a7c40950588b54b79067185a3ad)
+++ firmware/App/Modes/ModeChemicalDisinfectFlush.c	(.../ModeChemicalDisinfectFlush.c)	(revision c940dea020a10f2bab23ae92aa6932c375c26dd4)
@@ -950,7 +950,7 @@
 
     // NOTE: the drain status should be checked once the reservoirs parameters are initialized. This is to make sure the
     // the timers for stable drain time are initialized prior to using them again
-    isDrainComplete = hasTargetDrainVolumeBeenReached( r, drainSteadyStateTimeout );
+    isDrainComplete = hasTargetDrainToZeroBeenReached( r, drainSteadyStateTimeout );
 
     if ( TRUE == isDrainComplete )
     {