Index: firmware/App/Modes/TreatmentRecirc.c
===================================================================
diff -u -r4151ee46ace3cc66b6b7c0f276040889fe0d75e6 -rf66a94fdd645d2146e828fd760960849d1ac05c6
--- firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision 4151ee46ace3cc66b6b7c0f276040889fe0d75e6)
+++ firmware/App/Modes/TreatmentRecirc.c	(.../TreatmentRecirc.c)	(revision f66a94fdd645d2146e828fd760960849d1ac05c6)
@@ -36,6 +36,8 @@
 
 /// Alarm if re-circulation is running for this much time.  TODO - finalize these times w/ Systems
 #define RECIRC_TIMEOUT_MS               ( ( 15 * 60 * MS_PER_SECOND ) / TASK_GENERAL_INTERVAL )
+/// Re-circulation status broadcast interval.
+#define RECIRC_DATA_PUBLISH_INTERVAL    ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
 /// Target flow rate for re-circulation of saline on blood-side circuit.
 #define RECIRC_BP_FLOW_RATE_ML_MIN         100
 
@@ -44,6 +46,7 @@
 static TREATMENT_RECIRC_STATE_T treatmentRecircState;                       ///< Current state of the treatment re-circulate sub-mode.
 
 static U32  recircTimerCtr;                                                 ///< Timer counter (in GP task intervals) counts time spent in re-circulation sub-mode.
+static U32  recircPublishTimerCtr;                                          ///< Timer counter (in GP task intervals) counts time to next status broadcast.
 
 static BOOL recircStopRequested;                                            ///< Flag indicates alarm requesting to stop rinseback.
 static BOOL recircReconnectRequested;                                       ///< Flag indicates user requesting re-circulate stop so they can re-connect.
@@ -66,6 +69,8 @@
 static BOOL handleRecircResumeUserAction( REQUEST_REJECT_REASON_CODE_T *rejReason );
 static BOOL handleRecircEndTreatmentUserAction( REQUEST_REJECT_REASON_CODE_T *rejReason );
 
+static void publishTreatmentRecircData( void );
+
 /*********************************************************************//**
  * @brief
  * The initTreatmentRecirc function initializes the Treatment Re-circulate sub-mode
@@ -78,6 +83,7 @@
 {
     treatmentRecircState = TREATMENT_RECIRC_RECIRC_STATE;
     recircTimerCtr = 0;
+    recircPublishTimerCtr = 0;
     resetTreatmentRecircFlags();
 }
 
@@ -177,7 +183,7 @@
  *************************************************************************/
 void execTreatmentRecirc( void )
 {
-    // count time in this sub-mode
+    // Count time in this sub-mode
     recircTimerCtr++;
 
     switch ( treatmentRecircState )
@@ -197,6 +203,9 @@
 
     // Re-circulate flags should be handled by now - reset in case not handled by current state
     resetTreatmentRecircFlags();
+
+    // Broadcast recirc status
+    publishTreatmentRecircData();
 }
 
 /*********************************************************************//**
@@ -454,4 +463,24 @@
     return treatmentRecircState;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The publishTreatmentRecircData function publishes recirc progress to UI
+ * at 1 Hz interval.
+ * @details Inputs: recircPublishTimerCtr, recircTimerCtr
+ * @details Outputs: recirc data published
+ * @return none
+ *************************************************************************/
+static void publishTreatmentRecircData( void )
+{
+    if ( ++recircPublishTimerCtr >= RECIRC_DATA_PUBLISH_INTERVAL )
+    {
+        U32 timeout = RECIRC_TIMEOUT_MS  / TASK_GENERAL_INTERVAL;
+        U32 countdown = ( recircTimerCtr >= RECIRC_TIMEOUT_MS ? 0 : ( RECIRC_TIMEOUT_MS - recircTimerCtr ) / TASK_GENERAL_INTERVAL );
+
+        recircPublishTimerCtr = 0;
+        broadcastRecircData( timeout, countdown );
+    }
+}
+
 /**@}*/