Index: firmware/App/Controllers/UVReactors.h
===================================================================
diff -u -r86eec09ab556fbd970ddcae9dc622727928ee757 -rc2fe204db1b8926994b5eee78afa1b516c97d02c
--- firmware/App/Controllers/UVReactors.h	(.../UVReactors.h)	(revision 86eec09ab556fbd970ddcae9dc622727928ee757)
+++ firmware/App/Controllers/UVReactors.h	(.../UVReactors.h)	(revision c2fe204db1b8926994b5eee78afa1b516c97d02c)
@@ -22,6 +22,13 @@
     NUM_OF_UV_REACTORS,                 ///< Number of UV reactors
 } UV_REACTORS_T;
 
+/// List of reactor states.
+typedef enum Switch_States
+{
+    TURN_OFF = 0,                       ///< Turn off
+    TURN_ON,                            ///< Turn on
+} UV_REACTOR_STATES_T;
+
 /// UV reactors health status
 typedef enum uv_reactors_health_status
 {