Gas Appliance Service Training and Consulting Presents Timmie McElwain August, September, October& November 2014 Schedule ONE-WEEK STRAIGHT Monday Aug 18 Fundamentals of Combustion $300 Tuesday Aug 19 Circuitry & Troubleshooting $300 Wednesday Aug 20 Hydronic Controls Circuitry $300 Thursday Aug 21 Gas Heating Electric Ignition Systems Read more