Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -rfa63b92d3d3a3f2870833583bff12729e180e2d1 -r8e3ce4e082f70e12b48d796c518994662f7668b3
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision fa63b92d3d3a3f2870833583bff12729e180e2d1)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 8e3ce4e082f70e12b48d796c518994662f7668b3)
@@ -316,10 +316,10 @@
     D23_VALV                            = 16    # Balancing chamber Valve 1 (D23)
     D19_VALV                            = 17    # Balancing chamber Valve 2 (D19)
     D25_VALV                            = 18    # Balancing chamber Valve 3 (D25)
-    D21_VALV                            = 19    # Balancing chamber Valve 7 (D26)
+    D21_VALV                            = 19    # Balancing chamber Valve 4 (D21)
     D24_VALV                            = 20    # Balancing chamber Valve 5 (D24)
     D20_VALV                            = 21    # Balancing chamber Valve 6 (D20)
-    D26_VALV                            = 22    # Balancing chamber Valve 4 (D21)
+    D26_VALV                            = 22    # Balancing chamber Valve 7 (D26)
     D22_VALV                            = 23    # Balancing chamber Valve 8 (D22)
     D79_PMP_VALV                        = 24    # D79 pump mapped to spare valve 0
     SPARE1_VALV                         = 25    # Spare Valve 1