Index: firmware/App/Controllers/Pressures.c
===================================================================
diff -u -r19ed5eac0b3a24d9bf9da52767dcc5fe2872bd7c -r62b202c33e90b032326da24aa4067e2f5032f448
--- firmware/App/Controllers/Pressures.c	(.../Pressures.c)	(revision 19ed5eac0b3a24d9bf9da52767dcc5fe2872bd7c)
+++ firmware/App/Controllers/Pressures.c	(.../Pressures.c)	(revision 62b202c33e90b032326da24aa4067e2f5032f448)
@@ -37,8 +37,8 @@
 
 // ********** private definitions **********
 
-#define PUMP_PRESSURE_ZERO                          777                                             ///< ADC counts equivalent to 0 PSI for pump in/out pressure sensors.
-#define PUMP_PRESSURE_PSIA_PER_COUNT                0.06434F                                        ///< PSIA per ADC count conversion factor for pump in/out pressure sensors.
+#define PUMP_PRESSURE_ZERO                          759                                             ///< ADC counts equivalent to 0 PSI for pump in/out pressure sensors.
+#define PUMP_PRESSURE_PSIA_PER_COUNT                0.06583F                                        ///< PSIA per ADC count conversion factor for pump in/out pressure sensors.
 #define PUMP_PRESSURE_PSIA_TO_PSI_OFFSET            14.7F                                           ///< Subtract this offset to convert PSIA to PSI.
 #define ONE_BAR_TO_PSI_CONVERSION                   14.5F                                           ///< 1 bar to PSI conversion.
 #define ONE_BAR_TO_MILLI_BAR                        1000                                            ///< 1 bar to milli bar conversion.