Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rcea079b61dbd17b2ddaec99b1124248147d14e72 -rba0335ef18c7859109251f130178acc785c1d39e
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision cea079b61dbd17b2ddaec99b1124248147d14e72)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision ba0335ef18c7859109251f130178acc785c1d39e)
@@ -937,12 +937,12 @@
         // Done with draining the reservoirs
         signalDrainPumpHardStop();
 
-        // The bicarb line is used to inject the acid into the fluid path during chemical disinfect
-        requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
-
         // Set the concentrate pump to run at a constant speed during priming
         setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, CONC_PUMP_PRIME_SPEED_ML_PER_MIN );
 
+        // The bicarb line is used to inject the acid into the fluid path during chemical disinfect
+        requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
+
         // Start the timer for drain timeout
         stateTimer = getMSTimerCount();
         state = DG_CHEM_DISINFECT_STATE_PRIME_ACID_LINE;
Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -rcea079b61dbd17b2ddaec99b1124248147d14e72 -rba0335ef18c7859109251f130178acc785c1d39e
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision cea079b61dbd17b2ddaec99b1124248147d14e72)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision ba0335ef18c7859109251f130178acc785c1d39e)
@@ -699,13 +699,13 @@
         {
             areTempSensorsInRange = TRUE;
 #ifndef IGNORE_CONC_PUMP_IN_HEAT_DISINFECT
-            // Turn on the concentrate pumps
-            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP1_ACID );
-            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
-
             // Turn the pumps on in reverse
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID,   CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
+
+            // Turn on the concentrate pumps
+            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP1_ACID );
+            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
 #endif
             concentratePumpsPrimeTimer = getMSTimerCount();
         }
@@ -1627,13 +1627,13 @@
             // Turn on the drain pump to drain R2
             setDrainPumpTargetRPM( DRAIN_PUMP_TARGET_RPM );
 #ifndef IGNORE_CONC_PUMP_IN_HEAT_DISINFECT
-            // Turn on the concentrate pumps
-            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP1_ACID );
-            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
-
             // Turn the pumps on in reverse
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID,   CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
             setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
+
+            // Turn on the concentrate pumps
+            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP1_ACID );
+            requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
 #endif
 
             // This is the last drain of heat disinfect cycle
@@ -2022,14 +2022,14 @@
         {
             heatDisinfectUIState = HEAT_DISINFECT_UI_STATE_DISINFECT_RESERVOIR_1;
 #ifndef IGNORE_CONC_PUMP_IN_HEAT_DISINFECT
+            // Turn the pumps on in reverse
+            setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID,   CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
+            setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
+
             // During R1 to R2 disinfect, concentrate pump is run
             // Turn on the concentrate pumps
             requestConcentratePumpsOn( CONCENTRATEPUMPS_CP1_ACID );
             requestConcentratePumpsOn( CONCENTRATEPUMPS_CP2_BICARB );
-
-            // Turn the pumps on in reverse
-            setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP1_ACID,   CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
-            setConcentratePumpTargetSpeed( CONCENTRATEPUMPS_CP2_BICARB, CONC_PUMPS_REVERSE_SPEED_ML_PER_MIN );
 #endif
         }
         else
Index: firmware/DG.dil
===================================================================
diff -u -rcea079b61dbd17b2ddaec99b1124248147d14e72 -rba0335ef18c7859109251f130178acc785c1d39e
--- firmware/DG.dil	(.../DG.dil)	(revision cea079b61dbd17b2ddaec99b1124248147d14e72)
+++ firmware/DG.dil	(.../DG.dil)	(revision ba0335ef18c7859109251f130178acc785c1d39e)
@@ -1,4 +1,4 @@
-# RM46L852PGE 06/16/21 11:12:38
+# RM46L852PGE 06/17/21 10:51:22
 # 
 ARCH=RM46L852PGE
 # 
@@ -6171,7 +6171,7 @@
 DRIVER.HET.VAR.HET2_PWM1_DUTY.VALUE=50
 DRIVER.HET.VAR.HET1_PWM7_POLARITY.VALUE=3
 DRIVER.HET.VAR.HET1_PWM3_ENA.VALUE=0
-DRIVER.HET.VAR.HET1_BIT24_HRSHARE.VALUE=0x00001000
+DRIVER.HET.VAR.HET1_BIT24_HRSHARE.VALUE=0x00000000
 DRIVER.HET.VAR.HET1_BIT16_HRSHARE.VALUE=0x00000000
 DRIVER.HET.VAR.HET1_BIT10_PULDIS.VALUE=0x00000000
 DRIVER.HET.VAR.HET2_PWM5_PIN_SELECT.VALUE=17
Index: firmware/include/het.h
===================================================================
diff -u -rcea079b61dbd17b2ddaec99b1124248147d14e72 -rba0335ef18c7859109251f130178acc785c1d39e
--- firmware/include/het.h	(.../het.h)	(revision cea079b61dbd17b2ddaec99b1124248147d14e72)
+++ firmware/include/het.h	(.../het.h)	(revision ba0335ef18c7859109251f130178acc785c1d39e)
@@ -467,7 +467,6 @@
 #define HET1_HRSH_CONFIGVALUE    ((uint32)0x00000000U \
 								| (uint32)0x00000000U \
 								| (uint32)0x00000000U \
-								| (uint32)0x00001000U \
 								| (uint32)0x00000000U \
 								| (uint32)0x00000000U \
 								| (uint32)0x00000000U \
@@ -476,6 +475,7 @@
 								| (uint32)0x00000000U \
 								| (uint32)0x00000000U \
 								| (uint32)0x00000000U \
+								| (uint32)0x00000000U \
 								| (uint32)0x00000008U \
 								| (uint32)0x00000004U \
 								| (uint32)0x00000000U \
Index: firmware/source/het.c
===================================================================
diff -u -rcea079b61dbd17b2ddaec99b1124248147d14e72 -rba0335ef18c7859109251f130178acc785c1d39e
--- firmware/source/het.c	(.../het.c)	(revision cea079b61dbd17b2ddaec99b1124248147d14e72)
+++ firmware/source/het.c	(.../het.c)	(revision ba0335ef18c7859109251f130178acc785c1d39e)
@@ -1250,7 +1250,6 @@
     hetREG1->HRSH = (uint32) 0x00000000U
                   | (uint32) 0x00000000U
                   | (uint32) 0x00000000U
-                  | (uint32) 0x00001000U
                   | (uint32) 0x00000000U
                   | (uint32) 0x00000000U
                   | (uint32) 0x00000000U
@@ -1259,6 +1258,7 @@
                   | (uint32) 0x00000000U
                   | (uint32) 0x00000000U
                   | (uint32) 0x00000000U
+                  | (uint32) 0x00000000U
                   | (uint32) 0x00000008U
                   | (uint32) 0x00000004U
                   | (uint32) 0x00000000U