Regenerative heat exchanger
50 Stone brick + 30 Pipe + 5 Boiler + 5 Simple circuit board + 20 Small parts → 1 Regenerative heat exchanger
Compatible machines Burner assembling machine MK 01 · Burner assembling machine MK 02 · Burner assembling machine MK 03 · Automated factory MK 01 · Automated factory MK 02 · Automated factory MK 03 · Automated factory MK 04.
Research tier pY science pack 1. Hot air - Stage 1
2 base seconds per batch. Fractional outputs are average yields.