Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -rc08c138d7c8671f25b7c88f8783fef0a6087e192 -r6603a7bb42cf0889bc7463e95b97867d61c4dea9
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision c08c138d7c8671f25b7c88f8783fef0a6087e192)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 6603a7bb42cf0889bc7463e95b97867d61c4dea9)
@@ -207,6 +207,7 @@
     MSG_ID_DD_PRESSURE_SENSOR_READINGS_OVERRIDE_REQUEST = 0xA006
     MSG_ID_DD_PRESSURE_SENSOR_TEMPERATURE_OVERRIDE_REQUEST = 0xA007
     MSG_ID_DD_PRESSURE_SENSOR_READ_COUNTER_OVERRIDE_REQUEST = 0xA008
+    MSG_ID_DD_TREATMENT_PARAMS_OVERRIDE_REQUEST = 0xA008
     MSG_ID_DD_PRESSURE_SENSOR_ERROR_COUNTER_OVERRIDE_REQUEST = 0xA009
     MSG_ID_DD_PRESSURE_SENSOR_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA00A
     MSG_ID_DD_PRESSURE_SENSOR_FILTER_READINGS_OVERRIDE_REQUEST = 0xA00B
@@ -281,7 +282,6 @@
     MSG_ID_DD_VOLTAGE_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA051
     MSG_ID_DD_MONITORED_VOLTAGE_OVERRIDE_REQUEST = 0xA052
     MSG_ID_DD_RINSE_PUMP_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA053
-    MSG_ID_DD_TREATMENT_PARAMS_OVERRIDE_REQUEST = 0xA054
 
     # Placeholder messages
     MSG_ID_DD_ALARM_STATE_OVERRIDE_REQUEST = 0xAF03
Index: leahi_dialin/dd/proxies/td_proxy.py
===================================================================
diff -u -rc08c138d7c8671f25b7c88f8783fef0a6087e192 -r6603a7bb42cf0889bc7463e95b97867d61c4dea9
--- leahi_dialin/dd/proxies/td_proxy.py	(.../td_proxy.py)	(revision c08c138d7c8671f25b7c88f8783fef0a6087e192)
+++ leahi_dialin/dd/proxies/td_proxy.py	(.../td_proxy.py)	(revision 6603a7bb42cf0889bc7463e95b97867d61c4dea9)
@@ -131,16 +131,32 @@
         self.logger.debug("Sending TD start pre gen request to DD.")
         self.can_interface.send(message, 0)
 
-    def cmd_td_override_treatment_parameter(self, paramID: int, value: float, reset: int = 0):
+    def cmd_td_override_treatment_parameter(self, paramID: int, value, reset: int = 0):
+        """
+        Constructs and sends a treatment parameter override request.
+        @param paramID : integer - Treatment parameter ID
+        @param value   : float or integer - Override value
+        @param reset   : integer 1 to reset override, 0 to apply override
+        @returns None
+        """
+
         rst = integer_to_bytearray(reset)
         pid = integer_to_bytearray(paramID)
-        val = float_to_bytearray(value)
+        # Dialysate rate, UF rate and dialysate temperature are f32
+        float_params = [ 0, 1, 2 ]
+        # Acid type and bicarbonate type are u32
+        uint_params = [ 3, 4 ]
+        if paramID in float_params:
+            val = float_to_bytearray(float(value))
+        elif paramID in uint_params:
+            val = integer_to_bytearray(int(value))
+        else:
+            val = integer_to_bytearray(int(value))
         payload = rst + pid + val
 
         message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_dd_ch_id,
                                               message_id=MsgIds.MSG_ID_DD_TREATMENT_PARAMS_OVERRIDE_REQUEST.value,
                                               payload=payload)
 
-        self.logger.debug(f"Overriding treatment parameter {paramID} with value {value}, reset={reset}")
+        self.logger.debug("Sending DD treatment parameter override: id={}, value={}, reset={}".format( paramID, value, reset))
         self.can_interface.send(message, 0)
-