Index: dialin/dg/concentrate_pumps.py
===================================================================
diff -u -rab4ad43e62b63fb9594ec7100dddc3a08785539c -ra57a9b9a8adbca445c9ee7fe3ca6c6c85b645416
--- dialin/dg/concentrate_pumps.py	(.../concentrate_pumps.py)	(revision ab4ad43e62b63fb9594ec7100dddc3a08785539c)
+++ dialin/dg/concentrate_pumps.py	(.../concentrate_pumps.py)	(revision a57a9b9a8adbca445c9ee7fe3ca6c6c85b645416)
@@ -17,19 +17,14 @@
 from .constants import RESET,NO_RESET
 from ..utils.conversions import integer_to_bytearray, float_to_bytearray
 from ..protocols.CAN import (DenaliMessage, DenaliChannels)
-from ..utils.base import _AbstractSubSystem, _publish
+from ..utils.base import _AbstractSubSystem, _publish, DialinEnum
 from ..common.msg_defs import MsgIds
 from logging import Logger
-import enum
 
-class ConcentratePumpsEnum(enum.Enum):
+class ConcentratePumpsEnum(DialinEnum):
     CP1 = 0
     CP2 = 1
 
-    @classmethod
-    def has_value(cls, value):
-        return value in cls._value2member_map_
-
 class ConcentratePumps(_AbstractSubSystem):
     """
     ConcentratePumps