Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -rd28018ec9af4486c787c4205257ad2cf68da8cfd -r985bd4ca6ad14f80a20a4654690115306453068c
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision d28018ec9af4486c787c4205257ad2cf68da8cfd)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 985bd4ca6ad14f80a20a4654690115306453068c)
@@ -1204,10 +1204,8 @@
             R1HeatDisinfectVol = getLoadCellLargeFilteredWeight( LOAD_CELL_RESERVOIR_1_PRIMARY );
             R2HeatDisinfectVol = getLoadCellLargeFilteredWeight( LOAD_CELL_RESERVOIR_2_PRIMARY );
 
-            setROPumpTargetFlowRateLPM( HEAT_DISINFECT_TARGET_RO_FLOW_LPM, HEAT_DISINFECT_MAX_RO_PRESSURE_PSI );
-
             // Set the drain pump to control mode
-            //setDrainPumpTargetOutletPressure( HEAT_DISINFECT_TARGET_DRAIN_PRES_PSI );
+            setDrainPumpTargetOutletPressure( HEAT_DISINFECT_TARGET_DRAIN_PRES_PSI );
 
             // Set the RO flow to maximum pressure of 30psi since it is the maximum pressure on the RO filter
             // at inlet temperature > 45 C