Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -rcc4f8440e8ad7fa8f2ced2467d922be7422c344c -ra7675f3c917b632cf16207fc7ccfc1f38eb83f9b
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision cc4f8440e8ad7fa8f2ced2467d922be7422c344c)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision a7675f3c917b632cf16207fc7ccfc1f38eb83f9b)
@@ -41,10 +41,10 @@
 
 #define DIALYSATE_TEMP_PERSISTENCE_PERIOD       ( 3 * MS_PER_SECOND )       ///< Persistence period for dialysate temperature alarm.
 
-#define DIALYSATE_TEMP_RECOVERY_TOLERANCE_C     2.0                         ///< Dialysate temperature recovery tolerance in degree C.
-#define DIALYSATE_TEMP_TOLERANCE_C              4.0                         ///< Dialysate temperature tolerance in degree C.
-#define DIALYSATE_TEMP_HIGH_LIMIT_C             42.0                        ///< Dialysate high temperature limit in degree C.
-#define DIALYSATE_TEMP_LOW_LIMIT_C              33.0                        ///< Dialysate low temperature limit in degree C.
+#define DIALYSATE_TEMP_RECOVERY_TOLERANCE_C     2.0F                        ///< Dialysate temperature recovery tolerance in degree C.
+#define DIALYSATE_TEMP_TOLERANCE_C              4.0F                        ///< Dialysate temperature tolerance in degree C.
+#define DIALYSATE_TEMP_HIGH_LIMIT_C             42.0F                       ///< Dialysate high temperature limit in degree C.
+#define DIALYSATE_TEMP_LOW_LIMIT_C              33.0F                       ///< Dialysate low temperature limit in degree C.
 
 // ********** private data **********