Index: firmware/App/Controllers/BoostPump.c
===================================================================
diff -u -r2652d50bbc5e78ed6fe3ad9ccbca0be6f802f1ff -rb92c26da32bed791d9836391080eacf19f221de6
--- firmware/App/Controllers/BoostPump.c	(.../BoostPump.c)	(revision 2652d50bbc5e78ed6fe3ad9ccbca0be6f802f1ff)
+++ firmware/App/Controllers/BoostPump.c	(.../BoostPump.c)	(revision b92c26da32bed791d9836391080eacf19f221de6)
@@ -44,7 +44,7 @@
 #define BOOST_PRESSURE_CONTROL_P_COEFFICIENT             0.01F                                        ///< P term for Boost pump pressure control.
 #define BOOST_PRESSURE_CONTROL_I_COEFFICIENT             0.01F                                        ///< I term for Boost pump pressure control.
 
-#define BOOST_FLOW_TO_PWM_SLOPE                          0.5F                                         ///< Slope of flow to PWM line equation.
+#define BOOST_FLOW_TO_PWM_SLOPE                          0.357F                                         ///< Slope of flow to PWM line equation.
 #define BOOST_FLOW_TO_PWM_INTERCEPT                      0.0F                                         ///< Intercept of flow to PWM line equation.
 #define BOOST_PRESSURE_TO_PWM_SLOPE                      0.5F                                         ///< Slope of pressure to PWM line equation.
 #define BOOST_PRESSURE_TO_PWM_INTERCEPT                  0.0F                                         ///< Intercept of pressure  to PWM line equation.
@@ -288,13 +288,13 @@
     }
 
     // Control at set interval or shut off
-    if ( ( getTargetBoostPumpFlowRateMLPM() == 0.0F ) && ( PUMP_CONTROL_MODE_CLOSED_LOOP == boostPumpControlMode ) )
+    if ( ( (F32)getTargetBoostPumpFlowRateMLPM() == 0.0F ) && ( PUMP_CONTROL_MODE_CLOSED_LOOP == boostPumpControlMode ) )
     {
         signalBoostPumpHardStop();
     }
     else if ( ( ++boostControlTimerCounter >= BOOST_CONTROL_INTERVAL ) && ( PUMP_CONTROL_MODE_CLOSED_LOOP == boostPumpControlMode ) )
     {
-        boostPumpDutyCyclePctSet = runPIController( PI_CONTROLLER_ID_BOOST_PUMP_FLOW, getTargetBoostPumpFlowRateMLPM(), getFilteredFlow( P7_FLOW ) );
+        boostPumpDutyCyclePctSet = runPIController( PI_CONTROLLER_ID_BOOST_PUMP_FLOW, (F32)getTargetBoostPumpFlowRateMLPM(), getFilteredFlow( P7_FLOW ) );
         setFluidPumpPctToPWMDutyCycle( P40_PUMP, boostPumpDutyCyclePctSet );
         boostControlTimerCounter = 0;
     }