Index: leahi_dialin/ui/dd_messaging.py
===================================================================
diff -u -re38b6be81cddc03b21837ab51fdd3baa4ae14bfd -r4f64e526b6b2057399918874096fd129e603e569
--- leahi_dialin/ui/dd_messaging.py	(.../dd_messaging.py)	(revision e38b6be81cddc03b21837ab51fdd3baa4ae14bfd)
+++ leahi_dialin/ui/dd_messaging.py	(.../dd_messaging.py)	(revision 4f64e526b6b2057399918874096fd129e603e569)
@@ -694,4 +694,21 @@
                                             message_id=msg_ids.MsgIds.MSG_ID_DD_VALVES_STATES_DATA.value,
                                             payload=payload)
 
+        self.can_interface.send(message, 0)
+
+
+    def dd_ro_water_mode_responses(self,vAccept: int, vRejectionReason: int):
+        """
+        the RO water Mode response message method(Msg ID: 0x6D, 100)
+        Args:
+            None
+        @return: None
+        """
+        payload  = conversions.integer_to_bytearray(vAccept)
+        payload += conversions.integer_to_bytearray(vRejectionReason)
+
+        message = CAN.CanMessage.build_message(
+                                            channel_id=CAN.CanChannels.dd_sync_broadcast_ch_id,
+                                            message_id=msg_ids.MsgIds.MSG_ID_DD_ADJUST_RO_WATER_MODE_RESPONSE.value,
+                                            payload=payload)
         self.can_interface.send(message, 0)
\ No newline at end of file