diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/psiChemistryModel/psiChemistryModels.C b/src/thermophysicalModels/chemistryModel/chemistryModel/psiChemistryModel/psiChemistryModels.C
index 6b45b0f4e..265e07bf6 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/psiChemistryModel/psiChemistryModels.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/psiChemistryModel/psiChemistryModels.C
@@ -40,6 +40,12 @@ Description
 
 namespace Foam
 {
+    makeChemistryModel
+    (
+        ODEChemistryModel,
+        psiChemistryModel,
+        constGasThermoPhysics
+    );
     makeChemistryModel
     (
         ODEChemistryModel,
diff --git a/src/thermophysicalModels/chemistryModel/chemistrySolver/chemistrySolver/makeChemistrySolvers.C b/src/thermophysicalModels/chemistryModel/chemistrySolver/chemistrySolver/makeChemistrySolvers.C
index 5e6b8ec99..a03b46ef0 100644
--- a/src/thermophysicalModels/chemistryModel/chemistrySolver/chemistrySolver/makeChemistrySolvers.C
+++ b/src/thermophysicalModels/chemistryModel/chemistrySolver/chemistrySolver/makeChemistrySolvers.C
@@ -38,6 +38,7 @@ License
 
 namespace Foam
 {
+    makeChemistrySolver(psiChemistryModel, constGasThermoPhysics)
     makeChemistrySolver(psiChemistryModel, gasThermoPhysics)
     makeChemistrySolverType(EulerImplicit, psiChemistryModel, gasThermoPhysics)
     makeChemistrySolverType(ode, psiChemistryModel, gasThermoPhysics)
diff --git a/src/thermophysicalModels/reactionThermo/chemistryReaders/chemistryReader/makeChemistryReaders.C b/src/thermophysicalModels/reactionThermo/chemistryReaders/chemistryReader/makeChemistryReaders.C
index 6246203b9..f7a44ddb2 100644
--- a/src/thermophysicalModels/reactionThermo/chemistryReaders/chemistryReader/makeChemistryReaders.C
+++ b/src/thermophysicalModels/reactionThermo/chemistryReaders/chemistryReader/makeChemistryReaders.C
@@ -37,9 +37,11 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
+makeChemistryReader(constGasThermoPhysics);
 makeChemistryReader(gasThermoPhysics);
 makeChemistryReader(icoPoly8ThermoPhysics);
 
+makeChemistryReaderType(foamChemistryReader, constGasThermoPhysics);
 makeChemistryReaderType(foamChemistryReader, gasThermoPhysics);
 makeChemistryReaderType(foamChemistryReader, icoPoly8ThermoPhysics);
 
diff --git a/src/thermophysicalModels/reactionThermo/combustionThermo/hsCombustionThermo/hsCombustionThermos.C b/src/thermophysicalModels/reactionThermo/combustionThermo/hsCombustionThermo/hsCombustionThermos.C
index 02d859c98..ef77eff70 100644
--- a/src/thermophysicalModels/reactionThermo/combustionThermo/hsCombustionThermo/hsCombustionThermos.C
+++ b/src/thermophysicalModels/reactionThermo/combustionThermo/hsCombustionThermo/hsCombustionThermos.C
@@ -138,6 +138,14 @@ makeHsCombustionMixtureThermo
 
 // Multi-component reaction thermo
 
+makeHsCombustionMixtureThermo
+(
+    hsCombustionThermo,
+    hsPsiMixtureThermo,
+    reactingMixture,
+    constGasThermoPhysics
+);
+
 makeHsCombustionMixtureThermo
 (
     hsCombustionThermo,
diff --git a/src/thermophysicalModels/specie/reaction/reactions/makeChemkinReactions.C b/src/thermophysicalModels/specie/reaction/reactions/makeChemkinReactions.C
index 8c3d3a1a7..e89c631b8 100644
--- a/src/thermophysicalModels/specie/reaction/reactions/makeChemkinReactions.C
+++ b/src/thermophysicalModels/specie/reaction/reactions/makeChemkinReactions.C
@@ -48,12 +48,47 @@ namespace Foam
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
+defineTemplateTypeNameAndDebug(constGasReaction, 0);
+defineTemplateRunTimeSelectionTable(constGasReaction, Istream);
+
 defineTemplateTypeNameAndDebug(gasReaction, 0);
 defineTemplateRunTimeSelectionTable(gasReaction, Istream);
 
 
 // * * * * * * * * * * * * * Make CHEMKIN reactions  * * * * * * * * * * * * //
 
+// constGasThermoPhysics
+
+makeIRNReactions(constGasThermoPhysics, ArrheniusReactionRate)
+makeIRNReactions(constGasThermoPhysics, LandauTellerReactionRate)
+makeIRNReactions(constGasThermoPhysics, thirdBodyArrheniusReactionRate)
+makeIRReactions(constGasThermoPhysics, JanevReactionRate)
+makeIRReactions(constGasThermoPhysics, powerSeriesReactionRate)
+
+makePressureDependentReactions
+(
+    constGasThermoPhysics,
+    ArrheniusReactionRate,
+    LindemannFallOffFunction
+)
+
+makePressureDependentReactions
+(
+    constGasThermoPhysics,
+    ArrheniusReactionRate,
+    TroeFallOffFunction
+)
+
+makePressureDependentReactions
+(
+    constGasThermoPhysics,
+    ArrheniusReactionRate,
+    SRIFallOffFunction
+)
+
+
+// gasThermoPhysics
+
 makeIRNReactions(gasThermoPhysics, ArrheniusReactionRate)
 makeIRNReactions(gasThermoPhysics, LandauTellerReactionRate)
 makeIRNReactions(gasThermoPhysics, thirdBodyArrheniusReactionRate)
diff --git a/src/thermophysicalModels/specie/reaction/reactions/makeLangmuirHinshelwoodReactions.C b/src/thermophysicalModels/specie/reaction/reactions/makeLangmuirHinshelwoodReactions.C
index a9e3850c0..eceea2228 100644
--- a/src/thermophysicalModels/specie/reaction/reactions/makeLangmuirHinshelwoodReactions.C
+++ b/src/thermophysicalModels/specie/reaction/reactions/makeLangmuirHinshelwoodReactions.C
@@ -34,6 +34,7 @@ Description
 
 namespace Foam
 {
+    makeIRReactions(constGasThermoPhysics, LangmuirHinshelwoodReactionRate)
     makeIRReactions(gasThermoPhysics, LangmuirHinshelwoodReactionRate)
     makeIRReactions(icoPoly8ThermoPhysics, LangmuirHinshelwoodReactionRate)
 }
diff --git a/src/thermophysicalModels/specie/transport/const/constTransport.H b/src/thermophysicalModels/specie/transport/const/constTransport.H
index c2d4d376b..194dca619 100644
--- a/src/thermophysicalModels/specie/transport/const/constTransport.H
+++ b/src/thermophysicalModels/specie/transport/const/constTransport.H
@@ -120,6 +120,12 @@ public:
         //- Construct from Istream
         constTransport(Istream&);
 
+        //- Construct and return a clone
+        inline autoPtr<constTransport> clone() const;
+
+        // Selector from Istream
+        inline static autoPtr<constTransport> New(Istream& is);
+
 
     // Member functions
 
diff --git a/src/thermophysicalModels/specie/transport/const/constTransportI.H b/src/thermophysicalModels/specie/transport/const/constTransportI.H
index a1c79b67c..fe9785f6d 100644
--- a/src/thermophysicalModels/specie/transport/const/constTransportI.H
+++ b/src/thermophysicalModels/specie/transport/const/constTransportI.H
@@ -60,6 +60,32 @@ inline constTransport<thermo>::constTransport
 {}
 
 
+// Construct and return a clone
+template<class thermo>
+inline autoPtr<constTransport<thermo> > constTransport<thermo>::clone
+() const
+{
+    return autoPtr<constTransport<thermo> >
+    (
+        new constTransport<thermo>(*this)
+    );
+}
+
+
+// Selector from Istream
+template<class thermo>
+inline autoPtr<constTransport<thermo> > constTransport<thermo>::New
+(
+    Istream& is
+)
+{
+    return autoPtr<constTransport<thermo> >
+    (
+        new constTransport<thermo>(is)
+    );
+}
+
+
 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
 // Dynamic viscosity [kg/ms]