Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rd3926e5817813a9588b77f6c382940176a5feedc -rd32847d87534b3273deb7362f598aba60877e7b8
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d3926e5817813a9588b77f6c382940176a5feedc)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d32847d87534b3273deb7362f598aba60877e7b8)
@@ -1386,6 +1386,41 @@
 }
 
 /*********************************************************************//**
+* @brief
+* The handleStartStopDGChemicalDisinfectFlush function handles a request to start
+* or stop DG chemical disinfect flush mode.
+* @details Inputs: none
+* @details Outputs: message handled
+* @param message a pointer to the message to handle
+* @return none
+*************************************************************************/
+BOOL handleStartStopDGChemicalDisinfectFlush( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
+
+    if ( message->hdr.payloadLen == sizeof(BOOL) )
+    {
+        BOOL startingDGChemicalDisinfectFlush;
+
+        memcpy( &startingDGChemicalDisinfectFlush, message->payload, sizeof(BOOL) );
+
+        if ( TRUE == startingDGChemicalDisinfectFlush )
+        {
+            result = startDGChemicalDisinfectFlush();
+        }
+        else
+        {
+            result = stopChemicalDisinfectFlush();
+        }
+    }
+
+    // Respond to request
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_DG_2_HD, result );
+
+    return result;
+}
+
+/*********************************************************************//**
  * @brief
  * The handleTestSetOpModeRequest function handles a request to set the
  * DG operation mode.