Index: PIControllers.c
===================================================================
diff -u -rd9dcb98551effd0b51758c7429fb0a9923f606af -r11dd880a5238ef50647a376505c294340afc57cf
--- PIControllers.c	(.../PIControllers.c)	(revision d9dcb98551effd0b51758c7429fb0a9923f606af)
+++ PIControllers.c	(.../PIControllers.c)	(revision 11dd880a5238ef50647a376505c294340afc57cf)
@@ -72,6 +72,7 @@
     { 0.0, 0.0, 2650, 350, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 4.0,  CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },    // PI_CONTROLLER_ID_D48_PUMP
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 15.0, CONTROLLER_BIDIRECTIONAL, TRUE, 0.0 },     // PI_CONTROLLER_ID_D5_HEAT
     { 0.0, 0.0, 50.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 100.0, CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_D5_HEAT_OUTER_LOOP
+    { 0.0, 0.0, 50.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 100.0, CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },   // PI_CONTROLLER_ID_D5_HEAT_OUTER_HIGHER_QD
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 5.0,  CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },    // PI_CONTROLLER_ID_D45_HEAT
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 5.0,  CONTROLLER_BIDIRECTIONAL, FALSE, 0.0 },    // PI_CONTROLLER_ID_D45_HEAT_HIGHER_QD
     { 0.0, 0.0, 1.0,  0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 25.0,  CONTROLLER_UNIDIRECTIONAL, FALSE, 0.0 },  // PI_CONTROLLER_ID_RO_PUMP
Index: PIControllers.h
===================================================================
diff -u -r53385f8d1d2a7ed4108d7973490455ebb0567a80 -r11dd880a5238ef50647a376505c294340afc57cf
--- PIControllers.h	(.../PIControllers.h)	(revision 53385f8d1d2a7ed4108d7973490455ebb0567a80)
+++ PIControllers.h	(.../PIControllers.h)	(revision 11dd880a5238ef50647a376505c294340afc57cf)
@@ -46,6 +46,7 @@
     PI_CONTROLLER_ID_D48_PUMP,                      ///< Spent dialysate Pump controller
     PI_CONTROLLER_ID_D5_HEAT,                       ///< Primary heater controller
     PI_CONTROLLER_ID_D5_HEAT_OUTER_LOOP,            ///< Primary heater controller outer loop
+    PI_CONTROLLER_ID_D5_HEAT_OUTER_HIGHER_QD,       ///< Primary heater controller outer loop for higher flow rates
     PI_CONTROLLER_ID_D45_HEAT,                      ///< Trimmer heater controller
     PI_CONTROLLER_ID_D45_HEAT_HIGHER_QD,            ///< Trimmer heater controller for higher flow rates
     PI_CONTROLLER_ID_RO_PUMP_FLOW,                  ///< RO Pump controller to flow