diff --git a/src/postProcessing/functionObjects/residualControl/controlDict b/src/postProcessing/functionObjects/residualControl/controlDict
index ff6db56aba..46b53abce5 100644
--- a/src/postProcessing/functionObjects/residualControl/controlDict
+++ b/src/postProcessing/functionObjects/residualControl/controlDict
@@ -1,4 +1,4 @@
-*--------------------------------*- C++ -*----------------------------------*\
+/*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
 |  \\    /   O peration     | Version:  1.6                                   |
@@ -55,10 +55,13 @@ functions
         outputInterval  1;
 
         maxResiduals
-        (
-            ( p         5e-4 )
-            ( U         1e-3 )
-        );
+        {
+            p       5e-4;
+            U       1e-3;
+
+            // possibly check turbulence fields
+            "(k|epsilon|omega)" 1e-3;
+        }
     }
 }
 
diff --git a/src/postProcessing/functionObjects/residualControl/residualControl.C b/src/postProcessing/functionObjects/residualControl/residualControl.C
index aed8e38dc1..a7ad2233cf 100644
--- a/src/postProcessing/functionObjects/residualControl/residualControl.C
+++ b/src/postProcessing/functionObjects/residualControl/residualControl.C
@@ -24,40 +24,35 @@ License
 \*---------------------------------------------------------------------------*/
 
 #include "residualControl.H"
-#include "dictionary.H"
 #include "fvMesh.H"
 #include "Time.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-namespace Foam
-{
-    defineTypeNameAndDebug(residualControl, 0);
-}
+defineTypeNameAndDebug(Foam::residualControl, 0);
 
 
 // * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
-bool Foam::residualControl::checkCriteria(const bool output) const
+bool Foam::residualControl::checkCriteria(const bool verbose) const
 {
     bool achieved = true;
     const fvMesh& mesh = static_cast<const fvMesh&>(obr_);
     const dictionary& solverDict = mesh.solverPerformanceDict();
-    forAll(maxResiduals_, i)
+
+    forAllConstIter(dictionary, solverDict, iter)
     {
-        const word& variableName = maxResiduals_[i].first();
-        if (solverDict.found(variableName))
+        const word& variableName = iter().keyword();
+        scalar maxResidual;
+
+        if (maxResiduals_.readIfPresent(variableName, maxResidual))
         {
-            const scalar maxResidual = maxResiduals_[i].second();
-
-            const lduMatrix::solverPerformance
-                sp(solverDict.lookup(variableName));
-
-            const scalar eqnResidual = sp.initialResidual();
+            const scalar eqnResidual =
+                lduMatrix::solverPerformance(iter().stream()).initialResidual();
 
             achieved = achieved && (eqnResidual < maxResidual);
 
-            if (output)
+            if (verbose)
             {
                 Info<< "    " << variableName
                     << ": requested max residual = " << maxResidual
@@ -121,7 +116,7 @@ void Foam::residualControl::read(const dictionary& dict)
 {
     if (active_)
     {
-        dict.lookup("maxResiduals") >> maxResiduals_;
+        maxResiduals_ = dict.subDict("maxResiduals");
     }
 }
 
diff --git a/src/postProcessing/functionObjects/residualControl/residualControl.H b/src/postProcessing/functionObjects/residualControl/residualControl.H
index c222019298..691fb08928 100644
--- a/src/postProcessing/functionObjects/residualControl/residualControl.H
+++ b/src/postProcessing/functionObjects/residualControl/residualControl.H
@@ -37,8 +37,8 @@ SourceFiles
 #ifndef residualControl_H
 #define residualControl_H
 
+#include "dictionary.H"
 #include "pointFieldFwd.H"
-#include "Tuple2.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -69,8 +69,8 @@ protected:
         //- On/off switch - on if obr_ is an fvMesh object
         bool active_;
 
-        //- List of variable name vs max residual
-        List<Tuple2<word, scalar> > maxResiduals_;
+        //- Dictionary of variable names vs max residual
+        dictionary maxResiduals_;
 
         //- Flag to indicate whether convergence criteria have been met
         bool criteriaSatisfied_;
@@ -79,7 +79,7 @@ protected:
     // Protected Member Functions
 
         //- Perform residual control checks
-        bool checkCriteria(const bool output) const;
+        bool checkCriteria(const bool verbose) const;
 
         //- Disallow default bitwise copy construct
         residualControl(const residualControl&);
@@ -113,7 +113,7 @@ public:
 
     // Member Functions
 
-        //- Return name of the system call set
+        //- Return name of the residual criteria check name
         virtual const word& name() const
         {
             return name_;
@@ -122,13 +122,13 @@ public:
         //- Read the system calls
         virtual void read(const dictionary&);
 
-        //- Execute the "executeCalls" at each time-step
+        //- Check the residual criteria at each time-step
         virtual void execute();
 
-        //- Execute the "endCalls" at the final time-loop
+        //- Report residual criteria check at the final time-loop
         virtual void end();
 
-        //- Write, execute the "writeCalls"
+        //- Write, not used
         virtual void write();
 
         //- Update for changes of mesh