Index: firmware/App/Modes/ModeRecirculate.c
===================================================================
diff -u -rebbb1f85550a1f9b8f946655f7b2b63f76fbf67d -rd7926685f2fe3086bab183166119f0965a192a69
--- firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision ebbb1f85550a1f9b8f946655f7b2b63f76fbf67d)
+++ firmware/App/Modes/ModeRecirculate.c	(.../ModeRecirculate.c)	(revision d7926685f2fe3086bab183166119f0965a192a69)
@@ -91,7 +91,6 @@
     setROPumpTargetFlowRate( TARGET_RO_FLOW_RATE_L, TARGET_RO_PRESSURE_PSI );
 
     signalDrainPumpHardStop();
-    startPrimaryHeater();
     requestConcentratePumpsOff( CONCENTRATEPUMPS_CP1_ACID );
     requestConcentratePumpsOff( CONCENTRATEPUMPS_CP2_BICARB );