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Miniature Boiler Code Chapter 206 Washington State Washington State Miniature Hobby Boiler Requirements Video documentary "Annual Miniature Boiler testing" Safety Valve Cleaning by SuperScale Note: For more information on boiler certification in the State of Washington contact: Ken Olsen kenolsen@kitsaplivesteamers.org Informative documents Super Scale Safety Valves setting info 8 Ft Astride Cars per Lindsay McDonnell Smoke box draft formula ASME Boiler & Pressure Code Section IV 2007