Index: firmware/App/DGCommon.h
===================================================================
diff -u -rba370b0d4b5ce6ae49f43b2325a779a4bf589941 -rc15085e95dd0d60546974bf14694b59ec5338ab8
--- firmware/App/DGCommon.h	(.../DGCommon.h)	(revision ba370b0d4b5ce6ae49f43b2325a779a4bf589941)
+++ firmware/App/DGCommon.h	(.../DGCommon.h)	(revision c15085e95dd0d60546974bf14694b59ec5338ab8)
@@ -56,7 +56,7 @@
 //    #define NEW_FMD_FLOW_SENSOR             1            // Not needed
     #define DISABLE_HEATERS_EFFICIENCY      1
     #define DISABLE_HEAT_DISINFECT_CONDUCTIVITY 1           // Implement
-    #define DISABLE_CONC_PUMPS             1
+//    #define DISABLE_CONC_PUMPS             1
 
     // Turn these flags on to disable dialysate mixing
     #define DISABLE_DIALYSATE_CHECK         1  // Disabled for Tom  // Implement