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