Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -r3024c73fd79f1590c89b183089b85b46a3b3eb1a -r9093348fe61cd6ec3d83fe58807f71aea7632b88
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 3024c73fd79f1590c89b183089b85b46a3b3eb1a)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 9093348fe61cd6ec3d83fe58807f71aea7632b88)
@@ -188,6 +188,9 @@
     MSG_ID_TD_RECIRCULATE_RESPONSE = 0xA7
     MSG_ID_TD_RECIRCULATE_DATA = 0xA8
 
+    MSG_ID_TD_WATER_SAMPLE_RESULT_RESPONSE = 0xAB
+    MSG_ID_TD_WATER_SAMPLE_DATA = 0xAC
+
     MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
 
     MSG_ID_TD_TESTER_LOGIN_REQUEST = 0x8000
Index: leahi_dialin/ui/td_messaging.py
===================================================================
diff -u -rbc48fc613a98360e723ed057a23f2635326b5fe2 -r9093348fe61cd6ec3d83fe58807f71aea7632b88
--- leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision bc48fc613a98360e723ed057a23f2635326b5fe2)
+++ leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision 9093348fe61cd6ec3d83fe58807f71aea7632b88)
@@ -557,6 +557,50 @@
 
         self.can_interface.send(message, 0)
 
+
+    def td_water_sample(  self, valve       : int   , 
+                                timeout     : int   ):
+        """
+        Broadcasts the current TD Water Sample data (Msg ID: 0xAB)
+        Args:
+            @param valve        (int) : water sample valve that is openend
+            @param timeout      (int) : water sample timeout
+        @return: None
+        """
+        if not self.can_enabled:
+            raise ValueError("CAN Interface is not enabled")
+
+
+        payload =  conversions.unsigned_integer_to_bytearray    (valve      )
+        payload += conversions.unsigned_integer_to_bytearray    (timeout    )
+
+        message = CAN.DenaliMessage.build_message(
+                                            channel_id=CAN.DenaliChannels.td_sync_broadcast_ch_id,
+                                            message_id=msg_ids.MsgIds.MSG_ID_TD_WATER_SAMPLE_DATA.value,
+                                            payload=payload)
+        self.can_interface.send(message, 0)
+
+
+    def td_water_sample_result_response(self,   vAccepted           : int   , 
+                                                vRejectionReason    : int   ,
+                                                vValue              : float ):
+        """
+        the water sample result response message method(Msg ID: 0xXX, XXX)
+        Args:
+            None
+        @return: None
+        """
+        payload  = conversions.integer_to_bytearray (vAccepted       )
+        payload += conversions.integer_to_bytearray (vRejectionReason)
+        payload += conversions.float_to_bytearray   (vValue          )
+
+        message = CAN.DenaliMessage.build_message(
+                                            channel_id=CAN.DenaliChannels.td_to_ui_ch_id,
+                                            message_id=msg_ids.MsgIds.MSG_ID_TD_WATER_SAMPLE_RESULT_RESPONSE.value,
+                                            payload=payload)
+        self.can_interface.send(message, 0)
+
+
     def td_param_ranges(self,
                       min_tx_time_s     : int,
                       max_tx_time_s     : int,