diff --git a/TBF/Rig/BuiltIn/PumpTandem/Pump.cs b/TBF/Rig/BuiltIn/PumpTandem/Pump.cs
index b84082738..2f92b3144 100644
--- a/TBF/Rig/BuiltIn/PumpTandem/Pump.cs
+++ b/TBF/Rig/BuiltIn/PumpTandem/Pump.cs
@@ -19,8 +19,8 @@ namespace TBF.Rig.BuiltIn.PumpTandem
         readonly GenericDevices.IPump pump1;
         readonly GenericDevices.IPump pump2;
 
-		readonly GenericDevices.IPumpFM pumpFm1;
-		readonly GenericDevices.IPumpFM pumpFm2;
+		GenericDevices.IPumpFM pumpFm1;
+		GenericDevices.IPumpFM pumpFm2;
 
         public bool State { get { return pump1.State || pump2.State; } }
 
@@ -38,8 +38,8 @@ namespace TBF.Rig.BuiltIn.PumpTandem
         public int LagClosing { get { return 0; } }
 
 
-		readonly UInt128 mask1;
-        readonly UInt128 mask2;
+		UInt128 mask1;
+        UInt128 mask2;
         public UInt128 Mask { get { return mask1 | mask2; } }			/// derived from masks of two pumps
 
 
@@ -56,11 +56,16 @@ namespace TBF.Rig.BuiltIn.PumpTandem
             pump2 = TbfComponents.FindComponent(pumpCfg.Pump2, components) as GenericDevices.IPump;
             if (pump2 == null) throw new Exception("Cannot find component Pump 2");
 
-			pumpFm1 = pump1 as GenericDevices.IPumpFM;
-			pumpFm2 = pump2 as GenericDevices.IPumpFM;
+            log.Warn(this.ToString());
+		}
+
+        public override void Initialize()
+        {
+            pumpFm1 = pump1 as GenericDevices.IPumpFM;
+            pumpFm2 = pump2 as GenericDevices.IPumpFM;
 
             if (pump1 is BuiltIn.Pump.Pump)                  { mask1 = (pump1 as BuiltIn.Pump.Pump).Mask; }
-			else if (pump1 is Danfoss.VLT2800.Pump)          { mask1 = (pump1 as Danfoss.VLT2800.Pump).Mask; }
+            else if (pump1 is Danfoss.VLT2800.Pump)          { mask1 = (pump1 as Danfoss.VLT2800.Pump).Mask; }
             else if (pump1 is Modbus.PumpFM.DanfossVLT.Pump) { mask1 = (pump1 as Modbus.PumpFM.DanfossVLT.Pump).Mask; }
             else { mask1 = 0; }
 
@@ -68,9 +73,7 @@ namespace TBF.Rig.BuiltIn.PumpTandem
             else if (pump2 is Danfoss.VLT2800.Pump)          { mask2 = (pump2 as Danfoss.VLT2800.Pump).Mask; }
             else if (pump2 is Modbus.PumpFM.DanfossVLT.Pump) { mask2 = (pump2 as Modbus.PumpFM.DanfossVLT.Pump).Mask; }
             else { mask2 = 0; }
-
-            log.Warn(this.ToString());
-		}
+        }
 
 
         public void TurnOn(double powerArg)
diff --git a/TBF/Rig/BuiltIn/Valve/Valve.cs b/TBF/Rig/BuiltIn/Valve/Valve.cs
index b4b56bc9b..11a4e619a 100644
--- a/TBF/Rig/BuiltIn/Valve/Valve.cs
+++ b/TBF/Rig/BuiltIn/Valve/Valve.cs
@@ -33,10 +33,11 @@ namespace TBF.Rig.BuiltIn.Valve
 		public int LagOpening { get { return valveCfg.LagOpening; } }
 		public int LagClosing { get { return valveCfg.LagClosing; } }
 
-		public readonly UInt128 Mask;					/// derived from bitPosition in the constructor
-
+		public readonly UInt128 Mask;				    /// derived from bitPosition in the constructor
 		public int BitPosition { get { return valveCfg.BitNr; } }
 
+		public bool State { get { return (controlBoard.Route & Mask) != 0; } }
+
 
 		public Valve() { }
 
@@ -48,26 +49,20 @@ namespace TBF.Rig.BuiltIn.Valve
             controlBoard = TbfComponents.FindComponent(cfg.ParentName, components) as TBF.Rig.ControlBoard.IControlBoard;
 			if (controlBoard == null) throw new Exception("Cannot find " + Name + " parent");
 
-			if (valveCfg.BitNr < 0 || valveCfg.BitNr >= 128)
-			{
-				throw new ArgumentOutOfRangeException("position");
-			}
-            this.Mask = (((UInt128)1) << valveCfg.BitNr);
+            if (valveCfg.CoupledToName != null)
+            {
+                coupledTo = (IValve)TbfComponents.FindComponent(valveCfg.CoupledToName, components);
+            }
 
-			if (valveCfg.CoupledToName != null)
-			{
-				coupledTo = (IValve)TbfComponents.FindComponent(valveCfg.CoupledToName, components);
-			}
+            if (valveCfg.BitNr < 0 || valveCfg.BitNr >= 128)
+            {
+                throw new ArgumentOutOfRangeException("position");
+            }
+            Mask = (((UInt128)1) << valveCfg.BitNr);
 
             log.Warn(this.ToString());
 		}
 
-		public bool State
-		{
-			get { return (controlBoard.Route & Mask) != 0; }
-		}
-
-
 		#region Configuration Change Handling
 
 		public static void OnCfgChange(object sender, CfgChangeArgs args)
diff --git a/TBF/Rig/BuiltIn/ValveEx/Valve.cs b/TBF/Rig/BuiltIn/ValveEx/Valve.cs
index edd070851..efd121b17 100644
--- a/TBF/Rig/BuiltIn/ValveEx/Valve.cs
+++ b/TBF/Rig/BuiltIn/ValveEx/Valve.cs
@@ -15,10 +15,8 @@ namespace TBF.Rig.BuiltIn.ValveEx
         public override string ToString() { return string.Format("{0}({1})", ClassName, Cfg.ToString(-1)); }
 
 		readonly ValveCfg valveCfg;
-
-        public readonly UInt128 Mask;				/// derived from bitPosition in the constructor
-													/// 
-		public readonly IValve[] InputValves;
+        public readonly IValve[] InputValves;
+        public readonly UInt128 Mask;				        /// derived from bitPosition in the constructor
 
 
 		public Valve() { }
@@ -27,15 +25,6 @@ namespace TBF.Rig.BuiltIn.ValveEx
 			: base(cfg)
 		{
 			valveCfg = cfg as ValveCfg;
-
-			//controlBoard = (ControlBoardDev)TbfComponents.FindComponent(cfg.ParentName, components);
-			//if (controlBoard == null) throw new Exception("Cannot find " + Name + " parent");
-
-			if (valveCfg.BitPosition < 0 || valveCfg.BitPosition >= 128)
-			{
-				throw new ArgumentOutOfRangeException("position");
-			}
-            this.Mask = (((UInt128)1) << valveCfg.BitPosition);
 			
 			InputValves = new IValve[valveCfg.InputValvesCount];
 			InputValves[0] = TbfComponents.FindComponent(valveCfg.Input1, components) as IValve;
@@ -53,9 +42,12 @@ namespace TBF.Rig.BuiltIn.ValveEx
                 InputValves[4] = TbfComponents.FindComponent(valveCfg.Input5, components) as IValve;
             }
 
+            Mask = (((UInt128)1) << valveCfg.BitPosition);
+
             log.Warn(this.ToString());
 		}
 
+
         public void UpdateRoute(ref UInt128 route)
 		{
 			bool output;
diff --git a/TBF/Rig/BuiltIn/ValveEx/ValveCfg.cs b/TBF/Rig/BuiltIn/ValveEx/ValveCfg.cs
index c8ab312ed..ae6b9a5d7 100644
--- a/TBF/Rig/BuiltIn/ValveEx/ValveCfg.cs
+++ b/TBF/Rig/BuiltIn/ValveEx/ValveCfg.cs
@@ -17,7 +17,7 @@ namespace TBF.Rig.BuiltIn.ValveEx
 		///
 		/// Serialized parameters 
 		///
-		public int BitPosition;				/// Bit-position
+		public int BitPosition;				/// Bit-position 0 .. 127
         ///
 		public ValveExOperation LogicalOp;	/// Logical operation between input valves
 		public bool InvertOutput;			/// Invert the output of logical operation
diff --git a/TBF/Rig/ControlBoard/Uni/UniCB.cs b/TBF/Rig/ControlBoard/Uni/UniCB.cs
index 131e24d37..cb2ffc5db 100644
--- a/TBF/Rig/ControlBoard/Uni/UniCB.cs
+++ b/TBF/Rig/ControlBoard/Uni/UniCB.cs
@@ -184,7 +184,7 @@ namespace TBF.Rig.ControlBoard.Uni
         /// <summary>
         /// Initialize control board device hardware
         /// </summary>
-        public void Initialize()
+        public override void Initialize()
         {
             devices = new OutputPath(string.Empty, 0);
             actionQueue = new Queue<Action>();