Index: leahi_dialin/common/fp_defs.py
===================================================================
diff -u -r44e3f5623aeafcb704c4cd2d0e4af953e5579a8d -rd2774cbe954e861f6ec31d44134e74c8e9d66f22
--- leahi_dialin/common/fp_defs.py	(.../fp_defs.py)	(revision 44e3f5623aeafcb704c4cd2d0e4af953e5579a8d)
+++ leahi_dialin/common/fp_defs.py	(.../fp_defs.py)	(revision d2774cbe954e861f6ec31d44134e74c8e9d66f22)
@@ -95,11 +95,11 @@
 
 @unique
 class FPPressureSensorNames(DialinEnum):
-    M1_PRES                             = 0     # Water inlet pressure before regulator
-    M3_PRES                             = 1     # Water inlet pressure after regulator
-    P8_PRES                             = 2     # Water inlet pressure before the conductivity sensor
-    P13_PRES                            = 3     # Pressure before the RO filter
-    P17_PRES                            = 4     # Pressure after the RO filter
+    M3_PRES                             = 0     # Water inlet pressure before regulator
+    P8_PRES                             = 1     # Water inlet pressure after regulator
+    P13_PRES                            = 2     # Water inlet pressure before the conductivity sensor
+    P17_PRES                            = 3     # Pressure before the RO filter
+    P46_PRES                            = 4     # Pressure after the RO filter
     NUM_OF_FP_PRES_SENSORS              = 5     # Number of Pressure Sensors
 
 @unique