Index: firmware/App/HDCommon.h
===================================================================
diff -u -r79a5884a9d7d6123dab6504940ec92f72093665c -r1413d41d1fb181d77e9eb6aa63d63deb261aa1c2
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 79a5884a9d7d6123dab6504940ec92f72093665c)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 1413d41d1fb181d77e9eb6aa63d63deb261aa1c2)
@@ -39,6 +39,9 @@
 //    #define TASK_TIMING_OUTPUT_ENABLED      1           // re-purposes alarm lamp pins for task timing
     #define SKIP_POST                       1           // skip POST tests - all pass
 //    #define LIMITED_NVDATA_CRC_CHECKS       1           // only perform POST CRC checks on nv-data records that are implemented so far
+    #define DISABLE_AIR_TRAP_LEVELING       1           // disable air trap level control
+//    #define DISABLE_3WAY_VALVES             1           // disable 3-way valves
+//    #define TST_3WAY_VALVES_ALWAYS_OPEN     1           // after POST and homing, open all 4 valves
     #define DISABLE_ACCELS                  1           // disable accelerometer POST and monitoring
     #define DISABLE_CRC_ERROR               1           // do not error on bad CRC for CAN messages
     #define DISABLE_ACK_ERRORS              1           // do not error on failure of other node(s) to ACK a message