Index: firmware/App/DDCommon.h
===================================================================
diff -u -r2efcc3d334f44145ad683ea2cc4af754fa35dd02 -r37d6f3341f62349589f63975779c0df952c0cfd4
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 2efcc3d334f44145ad683ea2cc4af754fa35dd02)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 37d6f3341f62349589f63975779c0df952c0cfd4)
@@ -53,6 +53,8 @@
 
 //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>