Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -ra5b82c620e6a54f2b8559c54ffaa1a84e831d88e -r8ad78a5baa403afceccf9627478285a2ec742c4a
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision a5b82c620e6a54f2b8559c54ffaa1a84e831d88e)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 8ad78a5baa403afceccf9627478285a2ec742c4a)
@@ -347,7 +347,7 @@
     D3_VALV                             = 12    # Valve Hydraulics Inlet (D3)
     D80_VALV                            = 13    # Valve Dry Bicarb (D80)
     D81_VALV                            = 14    # Valve De-scaler (D81)
-    RSRVD_SPACE1                        = 15    # This space has been reserved
+    D85_VALV                            = 15    # Valve De-scaler (D85)
     D23_VALV                            = 16    # Balancing chamber Valve 1 (D23)
     D19_VALV                            = 17    # Balancing chamber Valve 2 (D19)
     D25_VALV                            = 18    # Balancing chamber Valve 3 (D25)