Index: firmware/App/DDCommon.h
===================================================================
diff -u -r6e8f7ae0f311f6fcf4b41c791cc51340467e074a -r7d7129ebe8a98694bea7cf4118f3bedf62f2157b
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 6e8f7ae0f311f6fcf4b41c791cc51340467e074a)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 7d7129ebe8a98694bea7cf4118f3bedf62f2157b)
@@ -26,6 +26,7 @@
 #define DD_VERSION_MINOR        0
 #define DD_VERSION_MICRO        0
 #define DD_VERSION_BUILD  125
+#define DD_VERSION_BUILD  77
 
 // ********** development build switches **********
 
@@ -56,6 +57,8 @@
 
 //Uncomment below to disable revised heater model
 #define __REVISED_HEATER_MODEL__   1
+// comment below to disable bicarb multi level sensor for time based chamber F fill
+#define CONDUCTIVE_LEVEL_SENSOR_ENABLED  1
 
     #include <stdio.h>
     #include <strings.h>