How to Build A Vertical Firetube Boiler

The “How to Build A Vertical Firetube Boiler” plans are for a boiler that can have new firetubes put in every 20 years or so.  The boiler itself should last 100 years, not the 8-10 years that so many of today’s cheaper boilers are designed to last.


  • Vertical firetube boiler
  • Parts
  • Fittings
  • Material needed
  • Calculations
  • Preparation
  • Heat treatment
  • Installing new tubes
  • Boiling out new boiler
  • Smoke stack
  • Ash pit and grates,
  • Using your new boiler
  • Conclusion


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