Index: firmware/App/DDCommon.h
===================================================================
diff -u -rd2e48222c175acf0e90d61a1177c7516e03ba5df -r4cdcb589ad34efa472c94180e6de938132cbc89b
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision d2e48222c175acf0e90d61a1177c7516e03ba5df)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 4cdcb589ad34efa472c94180e6de938132cbc89b)
@@ -8,7 +8,7 @@
 * @file    DDCommon.h
 *
 * @author  (last)      Michael Garthwaite
-* @date    (last)      02-Feb-2026
+* @date    (last)      14-Apr-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -25,7 +25,7 @@
 #define DD_VERSION_MAJOR        0
 #define DD_VERSION_MINOR        0
 #define DD_VERSION_MICRO        0
-#define DD_VERSION_BUILD  41
+#define DD_VERSION_BUILD  70
 
 // ********** development build switches **********
 
@@ -48,15 +48,13 @@
 //Uncomment below for bicarb chamber filling
 //#define __BICARB_CHAMBER_FILL__   1
 
-//Uncomment below for Maxon controller speed change
-//#define __MAXON_SPEED_UPDATE__    1
-
 //Uncomment below to disable heaters debug message
 #define __HEATERS_DEBUG__         1
 
-//Uncomment below to disable Teensy conductivity driver
-#define __TEENSY_CONDUCTIVITY_DRIVER__  1
+//Uncomment below to disable revised heater model
+#define __REVISED_HEATER_MODEL__   1
 
+
     #include <stdio.h>
     #include <strings.h>
 #endif