[f2.0] / v1.3 / modular [virtual-signal=right-arrow] set inserter's stack size in the constant combinator according to the fuel (enable group, disable all others) [virtual-signal=signal-info] - 40 MW output (100 MW with legendary buildings) - fuel will be inserted when needed (see constant combinator) - can be stacked vertically to create a shared steam network (hold shift while placing / drag-dropping) - yellow: inserter request - green: sufficient temperature