diff --git a/TBF/Rig/Uni/RegValve/SetFlowOp.cs b/TBF/Rig/Uni/RegValve/SetFlowOp.cs
index da241045b..ba5f1e4e6 100644
--- a/TBF/Rig/Uni/RegValve/SetFlowOp.cs
+++ b/TBF/Rig/Uni/RegValve/SetFlowOp.cs
@@ -3,6 +3,7 @@
 ///
 using System;
 using System.Collections.Generic;
+using Common;
 using log4net;
 using Config.Entities;
 using TBF.Rig.ControlBoard.Uni;
@@ -200,6 +201,11 @@ namespace TBF.Rig.Uni.RegValve
 		public Event Run()
 		{
             log.DebugFormat("Op.Run() opState={0}", opState);
+            
+            if (this.uniCB?.DebugLevel == DebugMode.Simulate)
+            {
+	            return Event.FlowReached;
+            }
 
             if (StateMachine.Time > expireTime) return Event.RegulValveTimeOut;