Index: firmware/App/HDCommon.h
===================================================================
diff -u -r85457b793bef9f18e2d04cbc8f901c138eae3609 -rb1c2d54d3d029ab1340d91193a7a4c81db8ba29d
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 85457b793bef9f18e2d04cbc8f901c138eae3609)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision b1c2d54d3d029ab1340d91193a7a4c81db8ba29d)
@@ -32,6 +32,7 @@
 #ifndef _RELEASE_
 #define UF_TEST_ENABLED                     1           // ultrafiltration test build (hard codes treatment params, re-purposes off/stop buttons)
 #define UF_TEST_WITH_DG                     1           // ultrafiltration test build (sets up DG in standby mode)
+#define VALVES_PWM_CONTROL_ENABLED          1           // Control valves with PWM
 #ifndef _VECTORCAST_
 //    #define RM46_EVAL_BOARD_TARGET          1           // limited build runs on RM46 eval board
 //    #define BREADBOARD_TARGET               1           // old breadboard system build - no longer used?