Index: firmware/App/Controllers/DialInFlow.c
===================================================================
diff -u -r108abddcbf729f7435073116191cd3903261df8f -r9d7ad180a18e29ba08bf65228d61b6179ddbfcca
--- firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 108abddcbf729f7435073116191cd3903261df8f)
+++ firmware/App/Controllers/DialInFlow.c	(.../DialInFlow.c)	(revision 9d7ad180a18e29ba08bf65228d61b6179ddbfcca)
@@ -55,10 +55,10 @@
 #define DIP_SPEED_ADC_TO_RPM_FACTOR          1.280938        // conversion factor from ADC counts to RPM for dialIn pump motor
 #define DIP_CURRENT_ADC_TO_MA_FACTOR         3.002           // conversion factor from ADC counts to mA for dialIn pump motor
 
-#define DIP_REV_PER_LITER                    124.0           // rotor revolutions per liter
+#define DIP_REV_PER_LITER                    150.24          // rotor revolutions per liter
 #define DIP_ML_PER_MIN_TO_PUMP_RPM_FACTOR    ( DIP_REV_PER_LITER / ML_PER_LITER )
 #define DIP_GEAR_RATIO                       32.0            // dialIn pump motor to dialIn pump gear ratio
-#define DIP_MOTOR_RPM_TO_PWM_DC_FACTOR       0.00042         // ~24 BP motor RPM = 1% PWM duty cycle
+#define DIP_MOTOR_RPM_TO_PWM_DC_FACTOR       0.00035         // ~28 BP motor RPM = 1% PWM duty cycle
 #define DIP_PWM_ZERO_OFFSET                  0.1             // 10% PWM duty cycle = zero speed
 #define DIP_PWM_FROM_ML_PER_MIN(rate)        ( (rate) * DIP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * DIP_GEAR_RATIO * DIP_MOTOR_RPM_TO_PWM_DC_FACTOR + DIP_PWM_ZERO_OFFSET )