Index: firmware/App/Controllers/ROPump.h
===================================================================
diff -u -r5e0dcf717fbc8c98a5e0d6b9c4d9457ffc44a4f5 -r81872acd6f2ce222c6b9a9b93f65b7cd3665f28f
--- firmware/App/Controllers/ROPump.h	(.../ROPump.h)	(revision 5e0dcf717fbc8c98a5e0d6b9c4d9457ffc44a4f5)
+++ firmware/App/Controllers/ROPump.h	(.../ROPump.h)	(revision 81872acd6f2ce222c6b9a9b93f65b7cd3665f28f)
@@ -33,6 +33,7 @@
 // ********** public definitions **********
 #define MAX_RO_FLOWRATE_LPM             1.8F    ///< Maximum target RO flow rate in L/min.
 #define MIN_RO_FLOWRATE_LPM             0.3F    ///< Minimum target RO flow rate in L/min.
+#define MIN_RO_FLOWRATE_UV_LPM          0.1f    ///< Minimum target RO flow rate for UV Reaactors in L/min.
 
 /// RO pump data struct.
 typedef struct