diff --git a/src/postProcessing/functionObjects/field/Make/files b/src/postProcessing/functionObjects/field/Make/files
index f0223c3f94..cba907676a 100644
--- a/src/postProcessing/functionObjects/field/Make/files
+++ b/src/postProcessing/functionObjects/field/Make/files
@@ -10,12 +10,13 @@ fieldMinMax/fieldMinMax.C
 fieldMinMax/fieldMinMaxFunctionObject.C
 
 fieldValues/fieldValue/fieldValue.C
+fieldValues/fieldValue/fieldValueNew.C
+fieldValues/fieldValueDelta/fieldValueDelta.C
+fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.C
 fieldValues/faceSource/faceSource.C
 fieldValues/faceSource/faceSourceFunctionObject.C
 fieldValues/cellSource/cellSource.C
 fieldValues/cellSource/cellSourceFunctionObject.C
-fieldValues/faceSourceDelta/faceSourceDelta.C
-fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.C
 
 nearWallFields/nearWallFields.C
 nearWallFields/nearWallFieldsFunctionObject.C
diff --git a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/IOfaceSourceDelta.H b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/IOfieldValueDelta.H
similarity index 86%
rename from src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/IOfaceSourceDelta.H
rename to src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/IOfieldValueDelta.H
index 3dbf93f1ca..7c316e926e 100644
--- a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/IOfaceSourceDelta.H
+++ b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/IOfieldValueDelta.H
@@ -22,25 +22,25 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Typedef
-    Foam::IOfaceSourceDelta
+    Foam::IOfieldValueDelta
 
 
 Description
-    Instance of the generic IOOutputFilter for faceSourceDelta.
+    Instance of the generic IOOutputFilter for fieldValueDelta.
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef IOfaceSourceDelta_H
-#define IOfaceSourceDelta_H
+#ifndef IOfieldValueDelta_H
+#define IOfieldValueDelta_H
 
-#include "faceSourceDelta.H"
+#include "fieldValueDelta.H"
 #include "IOOutputFilter.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
 {
-    typedef IOOutputFilter<faceSourceDelta> IOfaceSourceDelta;
+    typedef IOOutputFilter<fieldValueDelta> IOfieldValueDelta;
 }
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDelta.C b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.C
similarity index 70%
rename from src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDelta.C
rename to src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.C
index 22af9e4afe..06a01c759c 100644
--- a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDelta.C
+++ b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.C
@@ -23,22 +23,23 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-#include "faceSourceDelta.H"
+#include "fieldValueDelta.H"
 #include "ListOps.H"
+#include "Time.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
-defineTypeNameAndDebug(Foam::fieldValues::faceSourceDelta, 0);
+defineTypeNameAndDebug(Foam::fieldValues::fieldValueDelta, 0);
 
 // * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * * //
 
-void Foam::fieldValues::faceSourceDelta::updateMesh(const mapPolyMesh&)
+void Foam::fieldValues::fieldValueDelta::updateMesh(const mapPolyMesh&)
 {
     // Do nothing
 }
 
 
-void Foam::fieldValues::faceSourceDelta::movePoints(const Field<point>&)
+void Foam::fieldValues::fieldValueDelta::movePoints(const Field<point>&)
 {
     // Do nothing
 }
@@ -46,7 +47,7 @@ void Foam::fieldValues::faceSourceDelta::movePoints(const Field<point>&)
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
-Foam::fieldValues::faceSourceDelta::faceSourceDelta
+Foam::fieldValues::fieldValueDelta::fieldValueDelta
 (
     const word& name,
     const objectRegistry& obr,
@@ -55,31 +56,21 @@ Foam::fieldValues::faceSourceDelta::faceSourceDelta
 )
 :
     functionObjectFile(obr, name, typeName),
+    name_(name),
     obr_(obr),
+    loadFromFiles_(loadFromFiles),
     log_(false),
-    faceSource1_
-    (
-        name + ".faceSource1",
-        obr,
-        dict.subDict("faceSource1"),
-        loadFromFiles
-    ),
-    faceSource2_
-    (
-        name + ".faceSource2",
-        obr,
-        dict.subDict("faceSource2"),
-        loadFromFiles
-    )
+    source1Ptr_(NULL),
+    source2Ptr_(NULL)
 {
     read(dict);
 }
 
 
-void Foam::fieldValues::faceSourceDelta::writeFileHeader(const label i)
+void Foam::fieldValues::fieldValueDelta::writeFileHeader(const label i)
 {
-    const wordList& fields1 = faceSource1_.fields();
-    const wordList& fields2 = faceSource2_.fields();
+    const wordList& fields1 = source1Ptr_->fields();
+    const wordList& fields2 = source2Ptr_->fields();
 
     DynamicList<word> commonFields(fields1.size());
     forAll(fields1, i)
@@ -104,26 +95,46 @@ void Foam::fieldValues::faceSourceDelta::writeFileHeader(const label i)
 
 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
-Foam::fieldValues::faceSourceDelta::~faceSourceDelta()
+Foam::fieldValues::fieldValueDelta::~fieldValueDelta()
 {}
 
 
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
-void Foam::fieldValues::faceSourceDelta::read(const dictionary& dict)
+void Foam::fieldValues::fieldValueDelta::read(const dictionary& dict)
 {
     log_ = dict.lookupOrDefault<Switch>("log", false);
-    faceSource1_.read(dict.subDict("faceSource1"));
-    faceSource2_.read(dict.subDict("faceSource2"));
+    source1Ptr_.reset
+    (
+        fieldValue::New
+        (
+            name_ + ".source1",
+            obr_,
+            dict.subDict("source1"),
+            loadFromFiles_,
+            false
+        ).ptr()
+    );
+    source2Ptr_.reset
+    (
+        fieldValue::New
+        (
+            name_ + ".source2",
+            obr_,
+            dict.subDict("source2"),
+            loadFromFiles_,
+            false
+        ).ptr()
+    );
 }
 
 
-void Foam::fieldValues::faceSourceDelta::write()
+void Foam::fieldValues::fieldValueDelta::write()
 {
     functionObjectFile::write();
 
-    faceSource1_.write();
-    faceSource2_.write();
+    source1Ptr_->write();
+    source2Ptr_->write();
 
     if (Pstream::master())
     {
@@ -161,13 +172,13 @@ void Foam::fieldValues::faceSourceDelta::write()
 }
 
 
-void Foam::fieldValues::faceSourceDelta::execute()
+void Foam::fieldValues::fieldValueDelta::execute()
 {
     // Do nothing
 }
 
 
-void Foam::fieldValues::faceSourceDelta::end()
+void Foam::fieldValues::fieldValueDelta::end()
 {
     // Do nothing
 }
diff --git a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDelta.H b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H
similarity index 80%
rename from src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDelta.H
rename to src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H
index ba97b9e5a5..cd11545d93 100644
--- a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDelta.H
+++ b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDelta.H
@@ -22,26 +22,26 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Class
-    Foam::fieldValues::faceSourceDelta
+    Foam::fieldValues::fieldValueDelta
 
 Group
     grpFieldFunctionObjects
 
 Description
-    This function object provides a differencing option between two 'face
-    source' function objects.
+    This function object provides a differencing option between two 'field
+    value' function objects.
 
     Example of function object specification:
     \verbatim
-    faceSourceDelta1
+    fieldValueDelta1
     {
-        type            faceSourceDelta;
+        type            fieldValueDelta;
         functionObjectLibs ("libfieldFunctionObjects.so");
-        faceSource1
+        fieldValue1
         {
             ...
         }
-        faceSource2
+        fieldValue2
         {
             ...
         }
@@ -51,22 +51,23 @@ Description
     \heading Function object usage
     \table
         Property     | Description             | Required    | Default value
-        type         | type name: faceSourceDelta   | yes    |
+        type         | type name: fieldValueDelta   | yes    |
     \endtable
 
 SeeAlso
-    Foam::faceSource
+    Foam::fieldValue
 
 SourceFiles
-    faceSourceDelta.C
+    fieldValueDelta.C
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef faceSourceDelta_H
-#define faceSourceDelta_H
+#ifndef fieldValueDelta_H
+#define fieldValueDelta_H
 
 #include "functionObjectFile.H"
-#include "faceSource.H"
+#include "fieldValue.H"
+#include "autoPtr.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -77,10 +78,10 @@ namespace fieldValues
 {
 
 /*---------------------------------------------------------------------------*\
-                       Class faceSourceDelta Declaration
+                       Class fieldValueDelta Declaration
 \*---------------------------------------------------------------------------*/
 
-class faceSourceDelta
+class fieldValueDelta
 :
     public functionObjectFile
 {
@@ -89,17 +90,23 @@ private:
 
     // Private data
 
+        //- Name of this fieldValue object
+        word name_;
+
         //- Database this class is registered to
         const objectRegistry& obr_;
 
+        //- Flag to indicate to load from files
+        bool loadFromFiles_;
+
         //- Switch to send output to Info as well as to file
         Switch log_;
 
-        //- Face source 1
-        faceSource faceSource1_;
+        //- Field value source object 1
+        autoPtr<fieldValue> source1Ptr_;
 
-        //- Face source 2
-        faceSource faceSource2_;
+        //- Field value source object 2
+        autoPtr<fieldValue> source2Ptr_;
 
 
     // Private Member Functions
@@ -126,11 +133,11 @@ protected:
 public:
 
     //- Run-time type information
-    TypeName("faceSourceDelta");
+    TypeName("fieldValueDelta");
 
 
     //- Construct from components
-    faceSourceDelta
+    fieldValueDelta
     (
         const word& name,
         const objectRegistry& obr,
@@ -140,7 +147,7 @@ public:
 
 
     //- Destructor
-    virtual ~faceSourceDelta();
+    virtual ~fieldValueDelta();
 
 
     // Public Member Functions
@@ -169,7 +176,7 @@ public:
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 #ifdef NoRepository
-    #include "faceSourceDeltaTemplates.C"
+    #include "fieldValueDeltaTemplates.C"
 #endif
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.C b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.C
similarity index 92%
rename from src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.C
rename to src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.C
index aec39668b5..7d093c3781 100644
--- a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.C
+++ b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.C
@@ -23,7 +23,7 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-#include "faceSourceDeltaFunctionObject.H"
+#include "fieldValueDeltaFunctionObject.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
@@ -31,14 +31,14 @@ namespace Foam
 {
     defineNamedTemplateTypeNameAndDebug
     (
-        faceSourceDeltaFunctionObject,
+        fieldValueDeltaFunctionObject,
         0
     );
 
     addToRunTimeSelectionTable
     (
         functionObject,
-        faceSourceDeltaFunctionObject,
+        fieldValueDeltaFunctionObject,
         dictionary
     );
 }
diff --git a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.H b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.H
similarity index 81%
rename from src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.H
rename to src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.H
index ceca4b9938..120d5991bc 100644
--- a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaFunctionObject.H
+++ b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaFunctionObject.H
@@ -22,29 +22,29 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Typedef
-    Foam::faceSourceDeltaFunctionObject
+    Foam::fieldValueDeltaFunctionObject
 
 Description
-    FunctionObject wrapper around faceSourceDelta to allow it to be
+    FunctionObject wrapper around fieldValueDelta to allow it to be
     created via the functions entry within controlDict.
 
 SourceFiles
-    faceSourceDeltaFunctionObject.C
+    fieldValueDeltaFunctionObject.C
 
 \*---------------------------------------------------------------------------*/
 
-#ifndef faceSourceDeltaFunctionObject_H
-#define faceSourceDeltaFunctionObject_H
+#ifndef fieldValueDeltaFunctionObject_H
+#define fieldValueDeltaFunctionObject_H
 
-#include "faceSourceDelta.H"
+#include "fieldValueDelta.H"
 #include "OutputFilterFunctionObject.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
 {
-    typedef OutputFilterFunctionObject<fieldValues::faceSourceDelta>
-        faceSourceDeltaFunctionObject;
+    typedef OutputFilterFunctionObject<fieldValues::fieldValueDelta>
+        fieldValueDeltaFunctionObject;
 }
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaTemplates.C b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaTemplates.C
similarity index 87%
rename from src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaTemplates.C
rename to src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaTemplates.C
index 1cde69473e..7f5eda5b74 100644
--- a/src/postProcessing/functionObjects/field/fieldValues/faceSourceDelta/faceSourceDeltaTemplates.C
+++ b/src/postProcessing/functionObjects/field/fieldValues/fieldValueDelta/fieldValueDeltaTemplates.C
@@ -23,17 +23,20 @@ License
 
 \*---------------------------------------------------------------------------*/
 
+#include "GeometricField.H"
+#include "volMesh.H"
+
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 template<class Type>
-void Foam::fieldValues::faceSourceDelta::processFields(bool& found)
+void Foam::fieldValues::fieldValueDelta::processFields(bool& found)
 {
     typedef GeometricField<Type, fvPatchField, volMesh> vf;
 
-    const wordList& fields1 = faceSource1_.fields();
+    const wordList& fields1 = source1Ptr_->fields();
 
-    const dictionary& results1 = faceSource1_.resultDict();
-    const dictionary& results2 = faceSource2_.resultDict();
+    const dictionary& results1 = source1Ptr_->resultDict();
+    const dictionary& results2 = source2Ptr_->resultDict();
 
     Type r1(pTraits<Type>::zero);
     Type r2(pTraits<Type>::zero);