Netherrack Furnace processes every registered Better Smelters furnace recipe at 2× speed while using 100% of the baseline fuel per unit of work. After a valid fuel item starts the furnace, its infinite-fuel setting prevents the stored burn value from being consumed.
TierNetherrackPrimary resourceIgnition fuel
Technical reference
Built to be understood
Choose a section to inspect block properties, technical capabilities, or the recipes this machine supports.
01
Block Details
Minecraft block properties, mining requirements and applicable categories.
Breaking time
1 s
Required tool
Pickaxe
MachineTechnologyFurnaces
02
Machine Specifications
Capacity, operating values, interfaces and machine-specific limits.
Production type
Item
Input
One registered smelting input and one supported solid fuel
Output
One smelted item per input, except Nether Star Furnace stack batches
Processing speed
2×
Nominal cycle
40 ticks · 2 s
Fuel use
Infinite after ignition
Coal-equivalent yield
Unlimited after one valid fuel item starts the furnace
Inventory
1 fuel slot · 1 input slot · 1 output slot
Automated fuel
Pulled from the top; fuel slot is also exposed below
Automated items
Input from the right side and output to the left side, relative to the furnace front
Special behavior
After a valid fuel item starts the furnace, its infinite-fuel setting prevents the stored burn value from being consumed.
Fuel input
Top or bottom
Item input
Horizontal input sides; automatic pull uses the right side
Item output
All exposed output sides; automatic push uses the left side
