Once an appliance has been installed, knowing the logical steps to take can save time and money when service is required. We’ll discuss topics like: Millivolt Gas Control Valves, Standing Pilot Ignition Systems, Troubleshooting Millivolt Systems, Electronic Gas Control Systems, Troubleshooting Electronic Systems, Safety Lockout and Limit Switches, Orifices, Main Gas Burners, Troubleshooting Main Burner Performance Problems, Venting and Ventilation Related Problems, & Annual Service. Fuel Conversion Experienced gas service technicians, NFI candidates, or anyone that wants to help customers with questions about their appliance needs this information.