diff --git a/src/generated/resources/.cache/cache b/src/generated/resources/.cache/cache
index 5bf871ea3..db0bb6447 100644
--- a/src/generated/resources/.cache/cache
+++ b/src/generated/resources/.cache/cache
@@ -5649,6 +5649,7 @@ c98ffdc2780c2a7690c590f46f014aeee7b0b504 data/create/tags/items/create_ingots.js
 4480f211f4a37bfee193eba945bc9f5a8d2c6e34 data/create/tags/items/crushed_ores.json
 67385d5198d0796ec8f0d2c6ae144c672f4317a1 data/create/tags/items/modded_stripped_logs.json
 27a1074a88a7b939c811341086afece325ed724c data/create/tags/items/modded_stripped_wood.json
+7973972edb524683ef365bc103fcfcde0858a854 data/create/tags/items/pressurized_air_sources.json
 bce28787b0271382842823d04a977912a88b01c2 data/create/tags/items/sandpaper.json
 6cdeeac1689f7b5bfd9bc40b462143d8eaf3ad0b data/create/tags/items/seats.json
 0f4276a6b7da5f4dee8909802e6717a4c97f0555 data/create/tags/items/sleepers.json
diff --git a/src/generated/resources/data/create/tags/items/pressurized_air_sources.json b/src/generated/resources/data/create/tags/items/pressurized_air_sources.json
new file mode 100644
index 000000000..9c5cb97a4
--- /dev/null
+++ b/src/generated/resources/data/create/tags/items/pressurized_air_sources.json
@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "create:copper_backtank"
+  ]
+}
\ No newline at end of file
diff --git a/src/main/java/com/simibubi/create/AllItems.java b/src/main/java/com/simibubi/create/AllItems.java
index 24ff5ef4d..e6e6cf473 100644
--- a/src/main/java/com/simibubi/create/AllItems.java
+++ b/src/main/java/com/simibubi/create/AllItems.java
@@ -248,6 +248,7 @@ public class AllItems {
 
 	COPPER_BACKTANK = REGISTRATE.item("copper_backtank", p -> new CopperBacktankItem(p, COPPER_BACKTANK_PLACEABLE))
 		.model(AssetLookup.customGenericItemModel("_", "item"))
+		.tag(AllItemTags.PRESSURIZED_AIR_SOURCES.tag)
 		.register(),
 
 		DIVING_HELMET = REGISTRATE.item("diving_helmet", DivingHelmetItem::new)
diff --git a/src/main/java/com/simibubi/create/AllTags.java b/src/main/java/com/simibubi/create/AllTags.java
index 7a228a611..f2fb70d00 100644
--- a/src/main/java/com/simibubi/create/AllTags.java
+++ b/src/main/java/com/simibubi/create/AllTags.java
@@ -221,6 +221,7 @@ public class AllTags {
 		MODDED_STRIPPED_WOOD,
 		CASING,
 		SLEEPERS,
+		PRESSURIZED_AIR_SOURCES,
 
 		STRIPPED_LOGS(FORGE),
 		STRIPPED_WOOD(FORGE),
@@ -445,7 +446,7 @@ public class AllTags {
 		strippedWoodCompat(Mods.BOP, "fir", "redwood", "cherry", "mahogany", "jacaranda", "palm", "willow", "dead",
 			"magic", "umbran", "hellbark");
 		strippedWoodCompat(Mods.BSK, "bluebright", "starlit", "frostbright", "lunar", "dusk", "maple", "cherry");
-		
+
 		AllItemTags.MODDED_STRIPPED_LOGS.addOptional(Mods.BYG, "stripped_bulbis_stem");
 		AllItemTags.MODDED_STRIPPED_WOOD.addOptional(Mods.BYG, "stripped_bulbis_wood");
 
diff --git a/src/main/java/com/simibubi/create/content/curiosities/armor/BackTankUtil.java b/src/main/java/com/simibubi/create/content/curiosities/armor/BackTankUtil.java
index c84a256fe..7d3041cba 100644
--- a/src/main/java/com/simibubi/create/content/curiosities/armor/BackTankUtil.java
+++ b/src/main/java/com/simibubi/create/content/curiosities/armor/BackTankUtil.java
@@ -3,6 +3,7 @@ package com.simibubi.create.content.curiosities.armor;
 import com.simibubi.create.AllEnchantments;
 import com.simibubi.create.AllItems;
 import com.simibubi.create.AllSoundEvents;
+import com.simibubi.create.AllTags;
 import com.simibubi.create.foundation.config.AllConfigs;
 import com.simibubi.create.foundation.utility.Lang;
 
@@ -28,7 +29,7 @@ public class BackTankUtil {
 
 	public static ItemStack get(LivingEntity entity) {
 		for (ItemStack itemStack : entity.getArmorSlots())
-			if (AllItems.COPPER_BACKTANK.isIn(itemStack))
+			if (AllTags.AllItemTags.PRESSURIZED_AIR_SOURCES.matches(itemStack))
 				return itemStack;
 		return ItemStack.EMPTY;
 	}