Index: firmware/App/Modes/FPModes/ModePreGenPermeateDefeatured.c
===================================================================
diff -u -r5295636b779c5ee16f5e5b999cb2487cb8331cc7 -r5b941642e3248f74f6c8da7c21458b787fadf8ca
--- firmware/App/Modes/FPModes/ModePreGenPermeateDefeatured.c	(.../ModePreGenPermeateDefeatured.c)	(revision 5295636b779c5ee16f5e5b999cb2487cb8331cc7)
+++ firmware/App/Modes/FPModes/ModePreGenPermeateDefeatured.c	(.../ModePreGenPermeateDefeatured.c)	(revision 5b941642e3248f74f6c8da7c21458b787fadf8ca)
@@ -151,7 +151,7 @@
     {
         case FP_PRE_GENP_DEF_FLUSH:
             setValveState( M4_VALV, VALVE_STATE_OPEN );
-            setValveState( M12_VALV, VALVE_STATE_CLOSED );
+            setValveState( M12_VALV, VALVE_STATE_OPEN );
             setValveState( P6_VALV, VALVE_STATE_CLOSED );
             setValveState( P11_VALV, VALVE_STATE_CLOSED );
             setValveState( P33_VALV, VALVE_STATE_CLOSED );