All items and blocks

44 in Iron Furnaces for Minecraft 1.20.1. Nothing is left out — the list is complete, and the last column is why an item has a page of its own.

	Name	Identifier	Kind	Has a page because
	Allthemodium Furnace	ironfurnaces:allthemodium_furnace	block	recipe
	Allthemodium to Vibranium Furnace Upgrade	ironfurnaces:upgrade_vibranium	item	recipe
	Augment: Blasting	ironfurnaces:augment_blasting	item	recipe
	Augment: Factory	ironfurnaces:augment_factory	item	recipe
	Augment: Fuel Efficiency	ironfurnaces:augment_fuel	item	recipe
	Augment: Generator	ironfurnaces:augment_generator	item	recipe
	Augment: Inventory Config	ironfurnaces:gui	item	listed here
	Augment: Smoking	ironfurnaces:augment_smoking	item	recipe
	Augment: Speed	ironfurnaces:augment_speed	item	recipe
	Copper Furnace	ironfurnaces:copper_furnace	block	recipe
	Copper to Iron Furnace Upgrade	ironfurnaces:upgrade_iron2	item	recipe
	Copper to Silver Furnace Upgrade	ironfurnaces:upgrade_silver	item	recipe
	Crystal Furnace	ironfurnaces:crystal_furnace	block	recipe
	Crystal to Obsidian Furnace Upgrade	ironfurnaces:upgrade_obsidian2	item	recipe
	Diamond Furnace	ironfurnaces:diamond_furnace	block	recipe
	Diamond to Crystal Furnace Upgrade	ironfurnaces:upgrade_crystal	item	recipe
	Diamond to Emerald Furnace Upgrade	ironfurnaces:upgrade_emerald	item	recipe
	Emerald Furnace	ironfurnaces:emerald_furnace	block	recipe
	Emerald to Obsidian Furnace Upgrade	ironfurnaces:upgrade_obsidian	item	recipe
	Furnace Settings Linker	ironfurnaces:item_copy	item	recipe
	Furnace Spooka-lator	ironfurnaces:item_spooky	item	recipe
	Furnace Wrapping Papers	ironfurnaces:item_xmas	item	recipe
	Gold to Diamond Furnace Upgrade	ironfurnaces:upgrade_diamond	item	recipe
	Golden Furnace	ironfurnaces:gold_furnace	block	recipe
	Iron Furnace	ironfurnaces:iron_furnace	block	recipe
	Iron to Gold Furnace Upgrade	ironfurnaces:upgrade_gold	item	recipe
	Iron to Silver Furnace Upgrade	ironfurnaces:upgrade_silver2	item	recipe
	Netherite Furnace	ironfurnaces:netherite_furnace	block	recipe
	Netherite to Allthemodium Furnace Upgrade	ironfurnaces:upgrade_allthemodium	item	recipe
	Obsidian Furnace	ironfurnaces:obsidian_furnace	block	recipe
	Obsidian to Netherite Furnace Upgrade	ironfurnaces:upgrade_netherite	item	recipe
	Rainbow Coal	ironfurnaces:rainbow_coal	item	advancement
	Rainbow Core	ironfurnaces:rainbow_core	item	recipe
	Rainbow Furnace	ironfurnaces:million_furnace	block	recipe
	Rainbow Plating	ironfurnaces:rainbow_plating	item	recipe
	Silver Furnace	ironfurnaces:silver_furnace	block	recipe
	Silver to Gold Furnace Upgrade	ironfurnaces:upgrade_gold2	item	recipe
	Stone to Copper Furnace Upgrade	ironfurnaces:upgrade_copper	item	recipe
	Stone to Iron Furnace Upgrade	ironfurnaces:upgrade_iron	item	recipe
	Unobtainium Furnace	ironfurnaces:unobtainium_furnace	block	recipe
	Vibranium Furnace	ironfurnaces:vibranium_furnace	block	recipe
	Vibranium to Unobtainium Furnace Upgrade	ironfurnaces:upgrade_unobtainium	item	recipe
	Wireless Heat Receiver	ironfurnaces:item_heater	item	recipe
	Wireless Heat Transmitter	ironfurnaces:heater	block	recipe, loot

43 have a page of their own, 1 are listed here only. Belonging to a tag, or dropping itself when broken, is not on its own enough for an item to need a page.