diff --git a/src/generated/resources/assets/tfmg/blockstates/sulfuric_acid.json b/src/generated/resources/assets/tfmg/blockstates/sulfuric_acid.json
index e69de29b..4955ed34 100644
--- a/src/generated/resources/assets/tfmg/blockstates/sulfuric_acid.json
+++ b/src/generated/resources/assets/tfmg/blockstates/sulfuric_acid.json
@@ -0,0 +1,7 @@
+{
+  "variants": {
+    "": {
+      "model": "tfmg:block/sulfuric_acid"
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/main/java/com/drmangotea/tfmg/content/machinery/metallurgy/blast_furnace/BlastFurnaceOutputBlockEntity.java b/src/main/java/com/drmangotea/tfmg/content/machinery/metallurgy/blast_furnace/BlastFurnaceOutputBlockEntity.java
index 9c77eeac..f4a58101 100644
--- a/src/main/java/com/drmangotea/tfmg/content/machinery/metallurgy/blast_furnace/BlastFurnaceOutputBlockEntity.java
+++ b/src/main/java/com/drmangotea/tfmg/content/machinery/metallurgy/blast_furnace/BlastFurnaceOutputBlockEntity.java
@@ -310,7 +310,7 @@ public class BlastFurnaceOutputBlockEntity extends SmartBlockEntity implements I
                     tuyereBE = null;
                     return;
                 }
-                if (tuyereBE == null)
+                if (tuyereBE == null && tuyerePos != null)
                     tuyereBE = (BlastFurnaceHatchBlockEntity) level.getBlockEntity(tuyerePos);
 
                 if (tuyereBE.tank.getFluidAmount() < recipe.hotAirUsage || !tuyereBE.tank.getFluid().getFluid().isSame(TFMGFluids.HOT_AIR.getSource()))
diff --git a/src/main/java/com/drmangotea/tfmg/content/machinery/oil_processing/distillation_tower/controller/DistillationControllerBlockEntity.java b/src/main/java/com/drmangotea/tfmg/content/machinery/oil_processing/distillation_tower/controller/DistillationControllerBlockEntity.java
index f2e76556..0acc3d9b 100644
--- a/src/main/java/com/drmangotea/tfmg/content/machinery/oil_processing/distillation_tower/controller/DistillationControllerBlockEntity.java
+++ b/src/main/java/com/drmangotea/tfmg/content/machinery/oil_processing/distillation_tower/controller/DistillationControllerBlockEntity.java
@@ -95,8 +95,11 @@ public class DistillationControllerBlockEntity extends SmartBlockEntity implemen
         if (be.isController()) {
             if (be.getHeight() < outputs.toArray().length * 2 || (be.width < 2 && outputs.toArray().length > 3))
                 return;
-        } else if (be.getControllerBE().getHeight() < outputs.toArray().length * 2 || be.getControllerBE().width < 2)
-            return;
+        } else {
+            if (be.getControllerBE() != null)
+                if (be.getControllerBE().getHeight() < outputs.toArray().length * 2 || be.getControllerBE().width < 2)
+                    return;
+        }
 
         for (DistillationOutputBlockEntity be1 : outputs) {
             if (be1.tank.getSpace() == 0&&be1.mode.get() == DistillationOutputBlockEntity.DistillationOutputMode.KEEP_FLUID)