Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -rf760ffc4b10556e5186e9ceb90294262063440ca -ra6587c2ba0a40bdf12b5fdcf2ba8dec0cd958cfa
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision f760ffc4b10556e5186e9ceb90294262063440ca)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision a6587c2ba0a40bdf12b5fdcf2ba8dec0cd958cfa)
@@ -978,7 +978,6 @@
 {
     BOOL start = TRUE;
     dgCmdResp[ DG_CMD_START_CHEM_DISINFECT ].commandID = DG_CMD_NONE;
-
     sendDGStartChemicalDisinfectModeCommand( start );
 }
 
@@ -999,6 +998,36 @@
 
 /*********************************************************************//**
  * @brief
+ * The cmdStartDGChememicalFlushDisinfect function sends a start chemical disinfect
+ * flush command message to the DG.
+ * @details Inputs: none
+ * @details Outputs: start chemical disinfect flush mode command sent to DG.
+ * @return none
+ *************************************************************************/
+void cmdStartDGChememicalFlushDisinfect( void )
+{
+    BOOL start = TRUE;
+    dgCmdResp[ DG_CMD_START_CHEM_DISINFECT_FLUSH ].commandID = DG_CMD_NONE;
+    sendDGStartChemicalDisinfectFlushModeCommand( start );
+}
+
+/*********************************************************************//**
+ * @brief
+ * The cmdStopDGChemFlushDisinfect function sends a stop chemical disinfect
+ * flush command message to the DG.
+ * @details Inputs: none
+ * @details Outputs: stop chemical disinfect flush mode command sent to DG.
+ * @return none
+ *************************************************************************/
+void cmdStopDGChemFlushDisinfect( void )
+{
+    BOOL start = FALSE;
+    dgCmdResp[ DG_CMD_STOP_CHEM_DISINFECT_FLUSH ].commandID = DG_CMD_NONE;
+    sendDGStartChemicalDisinfectFlushModeCommand( start );
+}
+
+/*********************************************************************//**
+ * @brief
  * The cmdRequestDGConcentrateRatios function sends a request to DG to receive
  * the concentrate ratios.
  * @details Inputs: none