diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/README.txt b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/README.txt
deleted file mode 100644
index 647f11981d..0000000000
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/README.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-The 0/ field files contain nonsense patchFields. All interesting
-work is done using the changeDictionaryDicts.
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/constant/polyMesh/boundary b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/constant/polyMesh/boundary
index 73459cea07..0ffd003789 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/constant/polyMesh/boundary
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/constant/polyMesh/boundary
@@ -1,7 +1,7 @@
 /*--------------------------------*- C++ -*----------------------------------*\
 | =========                 |                                                 |
 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  dev                                   |
+|  \\    /   O peration     | Version:  1.6.x                                 |
 |   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
 |    \\/     M anipulation  |                                                 |
 \*---------------------------------------------------------------------------*/
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/controlDict b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/controlDict
index ab5ba12ec3..9c7f38afcf 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/controlDict
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/controlDict
@@ -15,8 +15,6 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-libs            ("libOpenFOAM.so" "libcompressibleTurbulenceModel.so" "libcompressibleRASModels.so");
-
 application     chtMultiRegionSimpleFoam;
 
 startFrom       startTime;
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/fvSolution b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/fvSolution
index fd0e7cced2..ddc551d45e 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/fvSolution
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/fvSolution
@@ -14,9 +14,4 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-PIMPLE
-{
-    nOuterCorrectors 1;
-}
-
 // ************************************************************************* //
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSchemes b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSchemes
index 74053b0ab3..aadaf61f87 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSchemes
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSchemes
@@ -16,7 +16,7 @@ FoamFile
 
 ddtSchemes
 {
-    default Euler;
+    default steadyState;
 }
 
 gradSchemes
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSolution b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSolution
index 761c1632b1..5cf50f1f1e 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSolution
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/heater/fvSolution
@@ -20,25 +20,14 @@ solvers
     {
         solver           PCG;
         preconditioner   DIC;
-        tolerance        1E-06;
-        relTol           0;
+        tolerance        1e-06;
+        relTol           0.1;
     }
 }
 
-PISO
-{
-    nNonOrthogonalCorrectors 1;
-}
-
-PIMPLE
-{
-    nNonOrthogonalCorrectors 1;
-}
-
 SIMPLE
 {
     nNonOrthogonalCorrectors 0;
-    //convergence             0.001;
 }
 
 relaxationFactors
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/changeDictionaryDict b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/changeDictionaryDict
index 6e9192301d..5c811e6783 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/changeDictionaryDict
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/changeDictionaryDict
@@ -140,10 +140,7 @@ dictionaryReplacement
 
             maxX
             {
-                type            waveTransmissive;
-                gamma           1.4;
-                fieldInf        100000;
-                lInf            0.4;
+                type            fixedValue;
                 value           uniform 100000;
             }
         }
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSchemes b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSchemes
index cedcc3c611..fde7982319 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSchemes
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSchemes
@@ -16,14 +16,12 @@ FoamFile
 
 ddtSchemes
 {
-    default Euler;
-    //default CoEuler phi rho 0.1;
+    default steadyState;
 }
 
 gradSchemes
 {
     default         Gauss linear;
-//    grad(U)         cellLimited Gauss linear 1;
 }
 
 divSchemes
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSolution b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSolution
index 7638601aec..e620dcb652 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSolution
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/multiRegionHeater/system/topAir/fvSolution
@@ -38,50 +38,13 @@ solvers
         mergeLevels      1;
     }
 
-    pFinal
-    {
-        $p;
-        tolerance        1e-8;
-        relTol           0;
-    }
-
-    U
+    "(U|h|k|epsilon)"
     {
         solver           PBiCG;
         preconditioner   DILU;
         tolerance        1e-08;
-        relTol           0;
-    }
-
-    h
-    {
-        $U;
-        tolerance        1e-08;
         relTol           0.1;
     }
-
-    "(hFinal|k|epsilon|R)"
-    {
-        $U;
-    }
-}
-
-PISO
-{
-    momentumPredictor   off;
-    nOuterCorrectors     1;
-    nCorrectors     2;
-    nNonOrthogonalCorrectors 1;
-    pRefPoint       (-0.081 -0.0257 8.01);
-    pRefValue       1e5;
-}
-
-
-PIMPLE
-{
-    momentumPredictor   on;
-    nCorrectors         2;
-    nNonOrthogonalCorrectors 0;
 }
 
 SIMPLE
@@ -89,8 +52,6 @@ SIMPLE
     nNonOrthogonalCorrectors 0;
     pRefCell                0;
     pRefValue               100000;
-
-    //convergence             0.001;
 }
 
 relaxationFactors