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The Gas Appliance Service Training and Consulting presents Timmie McElwain: May & June 2014 Schedule CETP Propane Courses May 6, 7 & 8            4.1 Designing & Installing Exterior Vapor Systems         $900   ONE-WEEK STRAIGHT Monday May 12                    Fundamentals of  Combustion                              $300 Tuesday May 13                    Circuitry & Troubleshooting                                 $300 Wednesday  May 14              Hydronic Read more