Index: firmware/App/Modes/ModeRecirculate.c
===================================================================
diff -u -r8a4182663ef6b12e3fd6414c0c14158943cd4ce1 -r3f7d30b23906496854054949d4491f3bae6ef3c4
--- firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision 8a4182663ef6b12e3fd6414c0c14158943cd4ce1)
+++ firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision 3f7d30b23906496854054949d4491f3bae6ef3c4)
@@ -44,7 +44,7 @@
 #define TARGET_RO_FLOW_RATE_L                   0.3                    ///< Target flow rate for RO pump.
 
 #define TARGET_FLUSH_LINES_RO_FLOW_RATE_L       0.6                    ///< Target flow rate for RO pump.
-#define FLUSH_LINES_VOLUME_L                    0.1                    ///< Water volume (in Liters) to flush when starting re-circulate mode.
+#define FLUSH_LINES_VOLUME_L                    0.01                    ///< Water volume (in Liters) to flush when starting re-circulate mode.
 
 // ********** private data **********
 
@@ -82,7 +82,9 @@
     // re-initialize each time we transition to re-circulate mode
     initRecirculateMode();
 
-    stopPrimaryHeater();
+    // TODO uncomment
+    //stopPrimaryHeater();
+    // TODO uncomment (SEAN)
 
     // set initial actuator states
     setValveState( VSP, VALVE_STATE_CLOSED );
@@ -101,6 +103,11 @@
     turnOnUVReactor( INLET_UV_REACTOR );
     turnOnUVReactor( OUTLET_UV_REACTOR );
 
+    // TODO remove
+    setPrimaryHeaterTargetTemperature( 39.0 );
+    startPrimaryHeater();
+    // TODO remove
+
 #ifndef _VECTORCAST_
     {   // TODO - test code to start the fan since we're turning the heater on
         F32 fanPWM = 0.25;