Boiler
| Boiler | 
- Base game
 - Space Age mod
 
| 
 Recipe  | 
|||||||||||||
| ++ → | |||||||||||||
| 
 Total raw  | 
|||||||||||||
| ++ | |||||||||||||
| 
 Map color  | 
|||||||||||||
| 
 Fluid storage volume  | 
 Input: 200  | 
||||||||||||
| 
 Health  | 
  | 
||||||||||||
| 
 Resistances  | 
 Explosion: 0/30%  | 
||||||||||||
| 
 Stack size  | 
 50  | 
||||||||||||
| 
 50 (1 stack)  | 
|||||||||||||
| 
 Dimensions  | 
 2×3  | 
||||||||||||
| 
 Energy consumption  | 
  | 
||||||||||||
| 
 Heat output  | 
  | 
||||||||||||
| 
 Fluid consumption  | 
  | 
||||||||||||
| 
 Mining time  | 
 0.2  | 
||||||||||||
| 
 Pollution  | 
 30/m  | 
||||||||||||
| 
 Prototype type  | 
|||||||||||||
| 
 Internal name  | 
 boiler  | 
||||||||||||
| 
 Required technologies  | 
|||||||||||||
| 
 Produced by  | 
|||||||||||||
| 
 Valid fuel  | 
|||||||||||||
The boiler uses fuel to convert water into steam at 165°C suitable for use in a steam engine. It has two water connectors on opposite ends and passes water through to adjacent equipment such as other boilers. The boiler features a single output for the steam it produces. It only consumes fuel as it creates steam. Boilers used in conjunction with offshore pumps and steam engines are a vital part of early power generation.
For each unit of water, 10 units of steam are produced. Inserting one coal (4 MJ) into a boiler then using the resulting steam in a steam engine will supply 4 MJ of energy to an electrical system. It costs 30 kJ to heat 1 unit of water to steam at 165°C, so one boiler will produce 60 steam per second.
Inserters can insert fuel into boilers. However, using powered inserters to move fuel into a boiler can be problematic should fuel become unavailable: if no power is being produced, then powered inserters fueling a boiler cannot operate. Using at least one burner inserter, which uses fuel and not electricity, ensures that at least one inserter is available to restart a single boiler. Inserters can also remove fuel from boilers, allowing inserters to move fuel down a chain of boilers.
Optimal Ratios
1 offshore pump + 180 Electric mining drills > 200 boilers > 400 steam engines. (Total of 360 MW)
History
- 2.0.0: 
- Decreased water use by 10x, changing the water:steam ratio from 1:1 to 1:10.
 
 
- 0.15.10: 
- Steam became a separate resource, boilers now produce steam rather than high temperature water that is displayed as steam
- This distinction is meaningful for circuit network accounting of steam and the coal liquefaction recipe
 
 
 - Steam became a separate resource, boilers now produce steam rather than high temperature water that is displayed as steam
 
- 0.15.0: 
- New graphics.
 - Changed boiler dimensions to 3×2.
 - 'Steam' is produced on a separate connector rather than heating water passed through.
- At this time, steam is actually water that is renamed when over 100 degrees.
 
 - Significantly increased energy consumption/production.
 
 
- 0.13.0: 
- New fire graphics for boilers.
 
 
- 0.6.1: 
- Boilers show their fuel inventory in the entity info.
 
 
- 0.5.1: 
- Boilers are now fast-replaceable with pipes.
 - New boiler graphics.
 
 
- 0.1.0: 
- Introduced
 
 
