Index: firmware/App/Modes/ModeGenDialysate.c
===================================================================
diff -u -r4237cbced773b985ff69a8c2af8287dbd5457f24 -rc1557cc79c8f0b0c358963c99d83015bd3b37e42
--- firmware/App/Modes/ModeGenDialysate.c	(.../ModeGenDialysate.c)	(revision 4237cbced773b985ff69a8c2af8287dbd5457f24)
+++ firmware/App/Modes/ModeGenDialysate.c	(.../ModeGenDialysate.c)	(revision c1557cc79c8f0b0c358963c99d83015bd3b37e42)
@@ -704,14 +704,23 @@
 {
     U32 rpm;
     U32 nominalRpm;
+    F32 dialFlowRate = getBalChamberActiveDialysateFlowrate();
 
     nominalRpm = getD48PumpSpeed();
     rpm        = nominalRpm;
 
-    if ( nominalRpm <= BAL_CHAMBER_TIME_BASED_D48_SPEED_RPM )
+    if ( ( dialFlowRate >= BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_1 ) && ( dialFlowRate <= BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_2 ) )
     {
-        rpm = BAL_CHAMBER_TIME_BASED_D48_SPEED_RPM;
+        rpm = BAL_CHAMBER_TIME_BASED_BAND_1;
     }
+    else if ( ( dialFlowRate > BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_2 ) && ( dialFlowRate <= BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_3 ) )
+    {
+        rpm = BAL_CHAMBER_TIME_BASED_BAND_2;
+    }
+    else if ( ( dialFlowRate > BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_3 ) && ( dialFlowRate <= BAL_CHAMBER_OPEN_LOOP_FLOW_RATE_BAND_4 ) )
+    {
+        rpm = BAL_CHAMBER_TIME_BASED_BAND_3;
+    }
 
     return rpm;
 }