Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -r56ba1b163b0cbf6953638065b2108f745b17ec8f -r2fc107b64a3bd166ccfb2bf0945a97ebfc9bfb1f
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 56ba1b163b0cbf6953638065b2108f745b17ec8f)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 2fc107b64a3bd166ccfb2bf0945a97ebfc9bfb1f)
@@ -1286,7 +1286,7 @@
                 rsrvr2RefVolML = 0.0F;
                 state          = DG_NELSON_HEAT_DISINFECT_STATE_FILL_R1_WITH_WATER;
             }
-            else if ( NELSON_HEAT_DISINFECT == nelsonSupport )
+            else if ( ( NELSON_HEAT_DISINFECT == nelsonSupport ) || ( NELSON_POS_CONTROL_HEAT_DISINFECT == nelsonSupport ) )
             {
                 deenergizeActuators( PARK_CONC_PUMPS );
                 state = DG_HEAT_DISINFECT_STATE_COMPLETE;