Index: leahi_dialin/common/td_defs.py
===================================================================
diff -u -r3284125031072078a4b61a83d36bff419a770918 -re7d16bd6881619e5fc2a0bc1a7fd578a9978498e
--- leahi_dialin/common/td_defs.py	(.../td_defs.py)	(revision 3284125031072078a4b61a83d36bff419a770918)
+++ leahi_dialin/common/td_defs.py	(.../td_defs.py)	(revision e7d16bd6881619e5fc2a0bc1a7fd578a9978498e)
@@ -177,4 +177,38 @@
     EVENT_DATA_TYPE_S32 = 2
     EVENT_DATA_TYPE_F32 = 3
     EVENT_DATA_TYPE_BOOL = 4
-    NUM_OF_EVENT_DATA_TYPES = 5
\ No newline at end of file
+    NUM_OF_EVENT_DATA_TYPES = 5
+
+@unique
+class TDAirPumpNames(DialinEnum):
+    H12_AIR_PUMP = 0
+    NUM_OF_AIR_PUMPS = 1
+
+@unique
+class TDAirPumpAttributes(DialinEnum):
+    STATE = 0
+    POWER = 1
+    NUM_OF_AIR_PUMP_ATTRIBUTES = 2
+
+@unique
+class AirTrapValves(DialinEnum):
+    H13_VALV = 0            # Air trap intake valve
+    H20_VALV = 1            # Air trap outlet valve
+    NUM_OF_AIR_TRAP_VALVES = 2
+
+@unique
+class AirTrapLevelSensors(DialinEnum):
+    H17_LEVEL = 0           # Lower Level Sensor
+    H16_LEVEL = 1           # Upper Level Sensor
+    NUM_OF_AIR_TRAP_LEVEL_SENSORS = 2
+
+@unique
+class AirTrapLevelSensorsAttributes(DialinEnum):
+    LEVEL = 0
+    RAW = 1
+    NUM_OF_AIR_TRAP_LEVEL_SENSOR_ATTRIBUTES = 2
+
+@unique
+class AirTrapState(DialinEnum):
+    STATE_CLOSED = 0
+    STATE_OPEN = 1
\ No newline at end of file