Index: leahi_dialin/dd/modules/balancing_chamber.py
===================================================================
diff -u -r039d9f5987f79862f10c026e6ca103d8139be1fa -r6d104d3185ac3ed7c18c97ecdc13fd59bf53a8d1
--- leahi_dialin/dd/modules/balancing_chamber.py	(.../balancing_chamber.py)	(revision 039d9f5987f79862f10c026e6ca103d8139be1fa)
+++ leahi_dialin/dd/modules/balancing_chamber.py	(.../balancing_chamber.py)	(revision 6d104d3185ac3ed7c18c97ecdc13fd59bf53a8d1)
@@ -8,20 +8,23 @@
 # @file    balancing_chamber.py
 #
 # @author  (last)      Zoltan Miskolci
-# @date    (last)      07-Jan-2026
+# @date    (last)      04-May-2026
 # @author  (original)  Micahel Garthwaite
 # @date    (original)  29-Oct-2020
 #
 ############################################################################
 
-import struct
+# Module imports
 from logging import Logger
 
+# Project imports
 from leahi_dialin.common.constants import NO_RESET
-from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
+from leahi_dialin.common.generic_defs import DataTypes
+from leahi_dialin.common.msg_defs import MsgIds
 from leahi_dialin.common.override_templates import cmd_generic_broadcast_interval_override, cmd_generic_override
-from leahi_dialin.protocols.CAN import DenaliChannels
-from leahi_dialin.utils.base import AbstractSubSystem, publish
+from leahi_dialin.protocols.CAN import DenaliCanMessenger, DenaliChannels
+from leahi_dialin.utils.abstract_classes import AbstractSubSystem
+from leahi_dialin.utils.base import publish
 from leahi_dialin.utils.conversions import integer_to_bytearray, float_to_bytearray
 
 
@@ -32,7 +35,7 @@
     Dialysate Delivery (DD) Dialin API sub-class for Balancing Chamber related commands.
     """
 
-    def __init__(self, can_interface, logger: Logger):
+    def __init__(self, can_interface: DenaliCanMessenger, logger: Logger):
         """
         @param can_interface: Denali Can Messenger object
         """
@@ -42,10 +45,9 @@
         self.logger = logger
 
         if self.can_interface is not None:
-            channel_id = DenaliChannels.dd_sync_broadcast_ch_id
-            self.msg_id_dd_bal_chamber_data = MsgIds.MSG_ID_DD_BAL_CHAMBER_DATA.value
-            self.can_interface.register_receiving_publication_function(channel_id, self.msg_id_dd_bal_chamber_data,
-                                                                       self._handler_balancing_chamber_sync)
+            self.can_interface.register_receiving_publication_function(channel_id = DenaliChannels.dd_sync_broadcast_ch_id,
+                                                                       message_id = MsgIds.MSG_ID_DD_BAL_CHAMBER_DATA.value,
+                                                                       function = self._handler_balancing_chamber_sync)
         
         self.execution_state = 0                                #: The Execution state
         self.switching_state = 0                                #: The Switching state
@@ -73,24 +75,19 @@
         @param message:  published balancing chamber data message
         @return: None
         """
-        self.execution_state = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_1:MsgFieldPositions.END_POS_FIELD_1]))[0]
-        self.switching_state = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_2:MsgFieldPositions.END_POS_FIELD_2]))[0]
-        self.switching_frequency = struct.unpack('f', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_3:MsgFieldPositions.END_POS_FIELD_3]))[0]
-        self.switching_period = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_4:MsgFieldPositions.END_POS_FIELD_4]))[0]
-        self.bal_chamber_fill_in_progress = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_5:MsgFieldPositions.END_POS_FIELD_5]))[0]
-        self.current_bal_chamber_switching_counter = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_6:MsgFieldPositions.END_POS_FIELD_6]))[0]
-        self.is_pressure_stabilized_during_fill = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_7:MsgFieldPositions.END_POS_FIELD_7]))[0]
-        self.bal_chamber_switch_only_state = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_8:MsgFieldPositions.END_POS_FIELD_8]))[0]
-        self.is_bal_chamber_switching_active = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_9:MsgFieldPositions.END_POS_FIELD_9]))[0]
+        msg_list = []
+        msg_list.append(('self.execution_state',                        DataTypes.U32))
+        msg_list.append(('self.switching_state',                        DataTypes.U32))
+        msg_list.append(('self.switching_frequency',                    DataTypes.F32))
+        msg_list.append(('self.switching_period',                       DataTypes.U32))
+        msg_list.append(('self.bal_chamber_fill_in_progress',           DataTypes.U32))
+        msg_list.append(('self.current_bal_chamber_switching_counter',  DataTypes.U32))
+        msg_list.append(('self.is_pressure_stabilized_during_fill',     DataTypes.U32))
+        msg_list.append(('self.bal_chamber_switch_only_state',          DataTypes.U32))
+        msg_list.append(('self.is_bal_chamber_switching_active',        DataTypes.U32))
+        
+        self.process_into_vars(decoder_list = msg_list,
+                               message = message)
 
         self.dd_bal_chamber_timestamp = timestamp