Index: MsgDefs.h
===================================================================
diff -u -r46a1db84f976a4f828ac5e68aa8e3c66b590c349 -r99b3c099bd287c8f1c12a801e22869743ceeeaec
--- MsgDefs.h	(.../MsgDefs.h)	(revision 46a1db84f976a4f828ac5e68aa8e3c66b590c349)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 99b3c099bd287c8f1c12a801e22869743ceeeaec)
@@ -199,6 +199,7 @@
     MSG_ID_DD_ACID_DOSING_VOLUME_OVERRIDE_REQUEST = 0xA039,                         ///< DD acid dosing volume override request
     MSG_ID_DD_BICARB_DOSING_VOLUME_OVERRIDE_REQUEST = 0xA03A,                       ///< DD bicarb dosing volume override request
     MSG_ID_DD_GEND_EXEC_STATE_OVERRIDE_REQUEST = 0xA03B,                            ///< DD GenD execution state override request
+    MSG_ID_DD_HEATERS_PWM_PERIOD_OVERIDE_REQUEST = 0xA03C,                          ///< DD heaters PWM period override request
 #ifdef __PUMPTEST__
     MSG_ID_DD_PISTON_PUMP_DATA_PUBLISH_OVERRIDE_REQUEST = 0xAF00,                   ///< DD piston pump data publish interval override request
     MSG_ID_DD_PISTON_PUMP_START_STOP_OVERRIDE_REQUEST = 0xAF01,                     ///< DD piston pump start/stop override request