Index: firmware/App/Modes/FPModes/ModeGenPermeateDefeatured.c
===================================================================
diff -u -r2475e55c224cbd841d61b76f1618451efe6be1f5 -rbadf38264b5f9f238d46d860f165b1e1bb4311b7
--- firmware/App/Modes/FPModes/ModeGenPermeateDefeatured.c	(.../ModeGenPermeateDefeatured.c)	(revision 2475e55c224cbd841d61b76f1618451efe6be1f5)
+++ firmware/App/Modes/FPModes/ModeGenPermeateDefeatured.c	(.../ModeGenPermeateDefeatured.c)	(revision badf38264b5f9f238d46d860f165b1e1bb4311b7)
@@ -21,7 +21,9 @@
 #include "MessageSupport.h"
 #include "ModeGenPermeateDefeatured.h"
 #include "ModePreGenPermeateDefeatured.h"
+#include "PersistentAlarm.h"
 #include "TaskGeneral.h"
+#include "Temperature.h"
 #include "Timers.h"
 #include "Valves.h"
 #include "WaterQualityMonitor.h"
@@ -34,6 +36,7 @@
 // ********** private definitions **********
 
 #define PRE_GEN_DEF_PERMEATE_DATA_PUBLISH_INTERVAL     ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )   ///< Interval (ms/task time) at which the gen permeate mode data published.
+#define INLET_TEMPERATURE_LOW_THRESHOLD_C              5.0F                                        ///< Minimum allowed Inlet temperature in C.
 
 // ********** private data **********
 
@@ -122,6 +125,9 @@
 
     checkInletPressures();
 
+    // check inlet temperature D1
+    checkInletTemperatures();
+
     //Publish Gen Permeate mode data
     publishGenPDefModeData();