Index: firmware/App/DDCommon.h
===================================================================
diff -u -r4cdcb589ad34efa472c94180e6de938132cbc89b -rba7e088fc3308f844ea30376a78e1da6d32621c1
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 4cdcb589ad34efa472c94180e6de938132cbc89b)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision ba7e088fc3308f844ea30376a78e1da6d32621c1)
@@ -7,7 +7,7 @@
 *
 * @file    DDCommon.h
 *
-* @author  (last)      Michael Garthwaite
+* @author  (last)      Vinayakam Mani
 * @date    (last)      14-Apr-2026
 *
 * @author  (original)  Vinayakam Mani
@@ -25,7 +25,7 @@
 #define DD_VERSION_MAJOR        0
 #define DD_VERSION_MINOR        0
 #define DD_VERSION_MICRO        0
-#define DD_VERSION_BUILD  70
+#define DD_VERSION_BUILD  75
 
 // ********** development build switches **********
 
@@ -51,10 +51,9 @@
 //Uncomment below to disable heaters debug message
 #define __HEATERS_DEBUG__         1
 
-//Uncomment below to disable revised heater model
-#define __REVISED_HEATER_MODEL__   1
+//Uncomment below if D1 placement is used for Temp control at dialyzer
+#define __USE_D1_TEMP_     1
 
-
     #include <stdio.h>
     #include <strings.h>
 #endif