Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -r71d214924418dcf474c484a8e465f421d2aa9951 -r3d4c97a6c91e32ac6416a5174d8678c704e40474
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 71d214924418dcf474c484a8e465f421d2aa9951)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 3d4c97a6c91e32ac6416a5174d8678c704e40474)
@@ -439,16 +439,16 @@
 @unique
 class DDLevelSensorNames(DialinEnum):
     D6_LEVEL                        = 0                         # floater switch low, medium and high status
-    D63_LEVEL                       = 1                         # bicarb level low or high status
-    D46_LEVEL                       = 2                         # Spent dialysate air separation chamber level low or high status
-    D98_LEVEL                       = 3                         # D98 Conductivity Level Sensor
+    D46_LEVEL                       = 1                         # Spent dialysate air separation conductivity level sensor low or high status
+    D63_LEVEL                       = 2                         # bicarb lower level conductivity level sensor low or high status
+    D98_LEVEL                       = 3                         # bicarb upper level conductivity Level sensor low or high status 
     NUM_OF_LEVELS                   = 4                         # Number of Level Sensors
 
 DDLevelSensorNames._str_list = {
     # Official Name :       Accepted strings
     'D6_LEVEL': ['d6'],
-    'D63_LEVEL': ['d63'],
     'D46_LEVEL': ['d46'],
+    'D63_LEVEL': ['d63'],
     'D98_LEVEL': ['d98'],
     'NUM_OF_LEVELS': [],
 }
Index: leahi_dialin/common/msg_ids.py
===================================================================
diff -u -rc93ef62631552b2ba3ffb77006d29f902e7a1128 -r3d4c97a6c91e32ac6416a5174d8678c704e40474
--- leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision c93ef62631552b2ba3ffb77006d29f902e7a1128)
+++ leahi_dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 3d4c97a6c91e32ac6416a5174d8678c704e40474)
@@ -184,6 +184,9 @@
     MSG_ID_UI_WATER_SAMPLE_RESULT_REQUEST = 0XA3
     MSG_ID_UI_PRESSURE_LIMIT_WIDEN_REQUEST = 0xA4
     MSG_ID_TD_PRESSURE_LIMIT_WIDEN_RESPONSE = 0xA5
+    MSG_ID_UI_RECIRCULATE_REQUEST = 0xA6
+    MSG_ID_TD_RECIRCULATE_RESPONSE = 0xA7
+    MSG_ID_TD_RECIRCULATE_DATA = 0xA8
 
     MSG_ID_DD_PISTON_PUMP_CONTROL_DATA = 0xF0
 
@@ -351,6 +354,7 @@
     MSG_ID_DD_BICARB_CHAMBER_FILL_REQUEST_OVERRIDE_REQUEST = 0xA059
     MSG_ID_DD_BICART_DRAIN_REQUEST_OVERRIDE_REQUEST = 0xA05A
     MSG_ID_DD_BICART_CARTRIDGE_SELECT_OVERRIDE_REQUEST = 0xA05B
+    MSG_ID_DD_FLOATER_LEVEL_OVERRIDE_REQUEST = 0xA05C
 
     MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST = 0xA100
     MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST = 0xA101
@@ -375,7 +379,7 @@
     MSG_ID_FP_PRESSURE_SENSOR_FILTER_TEMPERATURE_OVERRIDE_REQUEST = 0xB00D
     MSG_ID_FP_PRESSURE_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB00E
     MSG_ID_FP_LEVEL_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB00F
-    MSG_ID_FP_LEVEL_OVERRIDE_REQUEST = 0xB010
+    MSG_ID_FP_FLOATER_LEVEL_OVERRIDE_REQUEST = 0xB010
     MSG_ID_FP_FLOWS_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xB011
     MSG_ID_FP_FLOW_RATE_OVERRIDE_REQUEST = 0xB012
     MSG_ID_FP_FLOW_TEMP_OVERRIDE_REQUEST = 0xB013