diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java
index 3e962496..ed2188f5 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java
@@ -23,6 +23,7 @@ import java.util.Arrays;
 
 public class GT_MetaTileEntity_DistillationTower
         extends GT_MetaTileEntity_MultiBlockBase {
+	private static final int CASING_INDEX = 49;
     private static boolean controller;
 
     public GT_MetaTileEntity_DistillationTower(int aID, String aName, String aNameRegional) {
@@ -51,9 +52,9 @@ public class GT_MetaTileEntity_DistillationTower
 
     public ITexture[] getTexture(IGregTechTileEntity aBaseMetaTileEntity, byte aSide, byte aFacing, byte aColorIndex, boolean aActive, boolean aRedstone) {
         if (aSide == aFacing) {
-            return new ITexture[]{Textures.BlockIcons.CASING_BLOCKS[49], new GT_RenderedTexture(aActive ? Textures.BlockIcons.OVERLAY_FRONT_DISTILLATION_TOWER_ACTIVE : Textures.BlockIcons.OVERLAY_FRONT_DISTILLATION_TOWER)};
+            return new ITexture[]{Textures.BlockIcons.CASING_BLOCKS[CASING_INDEX], new GT_RenderedTexture(aActive ? Textures.BlockIcons.OVERLAY_FRONT_DISTILLATION_TOWER_ACTIVE : Textures.BlockIcons.OVERLAY_FRONT_DISTILLATION_TOWER)};
         }
-        return new ITexture[]{Textures.BlockIcons.CASING_BLOCKS[49]};
+        return new ITexture[]{Textures.BlockIcons.CASING_BLOCKS[CASING_INDEX]};
     }
 
     public Object getClientGUI(int aID, InventoryPlayer aPlayerInventory, IGregTechTileEntity aBaseMetaTileEntity) {
@@ -129,62 +130,61 @@ public class GT_MetaTileEntity_DistillationTower
     public boolean checkMachine(IGregTechTileEntity aBaseMetaTileEntity, ItemStack aStack) {
         int xDir = ForgeDirection.getOrientation(aBaseMetaTileEntity.getBackFacing()).offsetX;
         int zDir = ForgeDirection.getOrientation(aBaseMetaTileEntity.getBackFacing()).offsetZ;
-        if (!aBaseMetaTileEntity.getAirOffset(xDir, 1, zDir)) {
-            return false;
-        }
-        int tAmount = 0;
-        controller = false;
-        for (int i = -1; i < 2; i++) {
-            for (int j = -1; j < 2; j++) {
-                for (int h = 0; h < 6; h++) {
-                    if (!(i == 0 && j == 0 && (h > 0 && h < 5)))//((h > 0)&&(h<5)) || (((xDir + i != 0) || (zDir + j != 0)) && ((i != 0) || (j != 0)))
-                    {
-                        IGregTechTileEntity tTileEntity = aBaseMetaTileEntity.getIGregTechTileEntityOffset(xDir + i, h, zDir + j);
-                        if ((!addMaintenanceToMachineList(tTileEntity, 49)) && (!addInputToMachineList(tTileEntity, 49)) && (!addOutputToMachineList(tTileEntity, 49)) && (!addEnergyInputToMachineList(tTileEntity, 49)) && (!ignoreController(aBaseMetaTileEntity.getBlockOffset(xDir + i, h, zDir + j)))) {
-                            if (aBaseMetaTileEntity.getBlockOffset(xDir + i, h, zDir + j) != GregTech_API.sBlockCasings4) {
-                                return false;
-                            }
-                            if (aBaseMetaTileEntity.getMetaIDOffset(xDir + i, h, zDir + j) != 1) {
-                                return false;
-                            }
-                            tAmount++;
-                        }
-                    }
-                }
-            }
-        }
-        if (this.mOutputBusses.size() != 1 || this.mInputBusses.size() != 0 || this.mOutputHatches.size() != 5) {
-            return false;
-        }
-        int height = this.getBaseMetaTileEntity().getYCoord();
-        if (this.mInputHatches.get(0).getBaseMetaTileEntity().getYCoord() != height || this.mOutputBusses.get(0).getBaseMetaTileEntity().getYCoord() != height) {
-            return false;
-        }
-        GT_MetaTileEntity_Hatch_Output[] tmpHatches = new GT_MetaTileEntity_Hatch_Output[5];
-        int mOutputHatches_sS=this.mOutputHatches.size();
-        for (int i = 0; i < mOutputHatches_sS; i++) {
-            int hatchNumber = this.mOutputHatches.get(i).getBaseMetaTileEntity().getYCoord() - 1 - height;
-            if (tmpHatches[hatchNumber] == null) {
-                tmpHatches[hatchNumber] = this.mOutputHatches.get(i);
-            } else {
-                return false;
-            }
-        }
-        this.mOutputHatches.clear();
-        for (int i = 0; i < tmpHatches.length; i++) {
-            this.mOutputHatches.add(tmpHatches[i]);
-        }
-        if(this.mMaintenanceHatches.size()!=1)return false;
-        return tAmount >= 36;
-    }
+        int y = 0; //height
+        int casingAmount = 0;
+        boolean reachedTop = false;
 
-    public boolean ignoreController(Block tTileEntity) {
-        if (!controller && tTileEntity == GregTech_API.sBlockMachines) {
-            return true;
+        for (int x = xDir - 1; x <= xDir + 1; x++) { //x=width
+			for (int z = zDir - 1; z <= zDir + 1; z++) { //z=depth
+				if (x != 0 || z != 0) {
+					IGregTechTileEntity tileEntity = aBaseMetaTileEntity.getIGregTechTileEntityOffset(x, y, z);
+					Block block = aBaseMetaTileEntity.getBlockOffset(x, y, z);
+					if (!addInputToMachineList(tileEntity, CASING_INDEX) 
+							&& !addOutputToMachineList(tileEntity, CASING_INDEX) 
+							&& !addMaintenanceToMachineList(tileEntity, CASING_INDEX) 
+							&& !addEnergyInputToMachineList(tileEntity, CASING_INDEX)) {
+						if (block == GregTech_API.sBlockCasings4 && aBaseMetaTileEntity.getMetaIDOffset(x, y, z) == 1) {
+							casingAmount++;
+						} else {
+							return false;
+						}        						
+					}
+				}
+			}
+		}
+        y++;
+        
+        while (y < 12 && !reachedTop) {
+       		for (int x = xDir - 1; x <= xDir + 1; x++) { //x=width
+       			for (int z = zDir - 1; z <= zDir + 1; z++) { //z=depth
+   					IGregTechTileEntity tileEntity = aBaseMetaTileEntity.getIGregTechTileEntityOffset(x, y, z);
+   					Block block = aBaseMetaTileEntity.getBlockOffset(x, y, z);
+   					if (aBaseMetaTileEntity.getAirOffset(x, y, z)) {
+   						if (x != xDir || z != zDir) {
+   							return false;
+   						}
+   					} else {
+   						if (x == xDir && z == zDir) {
+       						reachedTop = true;
+       					}
+   						if (!addOutputToMachineList(tileEntity, CASING_INDEX) 
+   								&& !addMaintenanceToMachineList(tileEntity, CASING_INDEX) 
+   								&& !addEnergyInputToMachineList(tileEntity, CASING_INDEX)) {
+   							if (block == GregTech_API.sBlockCasings4 && aBaseMetaTileEntity.getMetaIDOffset(x, y, z) == 1) {
+       							casingAmount++;
+       						} else {
+       							return false;
+       						}
+   						}
+   					}
+       			}
+       		}
+        	y++;
         }
-        return false;
+        
+        return casingAmount >= 7 * y - 5 && y >= 3 && y <= 12 && reachedTop;
     }
-
+    
     public int getMaxEfficiency(ItemStack aStack) {
         return 10000;
     }