Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -rff90c5d3a21b9b4eecc4f85a4cfeb15bff28d371 -r25dbc6221b63e20fe61b2af0ce9c9f56bf13e807
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision ff90c5d3a21b9b4eecc4f85a4cfeb15bff28d371)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 25dbc6221b63e20fe61b2af0ce9c9f56bf13e807)
@@ -43,6 +43,7 @@
 #include "Temperature.h"
 #include "TDInterface.h"
 #include "Utilities.h"
+#include "Ultrafiltration.h"
 #include "Valves.h"
 
 
@@ -161,6 +162,7 @@
     { MSG_ID_DD_PRE_GEN_DIALYSATE_REQUEST_DATA,                                     &handlePreGenDialysateRequestMsg },
     { MSG_ID_FW_VERSIONS_REQUEST,                                                   &handleVersionRequestMessage },
     { MSG_ID_DD_SAFETY_SHUTDOWN_OVERRIDE_REQUEST,                                   &testSetResetSafetyShutdownOverride },
+    { MSG_ID_DD_UF_DATA_PUBLISH_OVERRIDE_REQUEST,                                   &testDDUFDataPublishIntervalOverride },
 #ifdef __PUMPTEST__
     { MSG_ID_DD_PISTON_PUMP_DATA_PUBLISH_OVERRIDE_REQUEST,                          &testDDPistonPumpControlDataPublishIntervalOverride },
     { MSG_ID_DD_PISTON_PUMP_START_STOP_OVERRIDE_REQUEST,                            &testDDPistonPumpStartStopOverride },
@@ -383,10 +385,10 @@
     // ACK/NAK request
     if ( message->hdr.msgID < MSG_ID_FIRST_TD_TESTER_MESSAGE )
     {
-        if ( respBuffer != COMM_BUFFER_NOT_USED )
-        {
-            sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, respBuffer, ack );
-        }
+//        if ( respBuffer != COMM_BUFFER_NOT_USED )
+//        {
+//            sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, respBuffer, ack );
+//        }
     }
     else
     {