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Hobby Boiler Code see section: 70.79.070 Miniature Hobby Boiler Guidelines 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 Gauge Dilemma 7 1/4 o 7 1/2 inch