GAS-110 Gasfitter Gas Properties, Combustion and Gas Safety Gasfitting Level 1 · 12 lessons planned In development
GAS-120 Gasfitter Fuel Gas Codes: NFPA 54, NFPA 58 and the IFGC Gasfitting Level 1 · 12 lessons planned In development
GAS-130 Gasfitter Electrical Fundamentals for Gas Technicians Gasfitting Level 1 · 12 lessons planned In development
GAS-210 Gasfitter Residential Appliances: Furnaces, Water Heaters and Fireplaces Gasfitting Level 2 · 12 lessons planned In development
GAS-220 Gasfitter Controls, Ignition Systems and Wiring Diagrams Gasfitting Level 2 · 12 lessons planned In development
GAS-230 Gasfitter Venting, Air Supply and Combustion Analysis Gasfitting Level 2 · 12 lessons planned In development
GAS-240 Gasfitter Propane Systems: Cylinders, Tanks and Vehicles Gasfitting Level 2 · 12 lessons planned In development
GAS-310 Gasfitter Commercial and Industrial Burners and Combustion Controls Gasfitting Level 3 · 12 lessons planned In development
GAS-320 Gasfitter Large Appliances: Boilers, Rooftop Units and Makeup Air Gasfitting Level 3 · 12 lessons planned In development
GAS-330 Gasfitter Gas Pressure Regulation, Meters and Elevated-Pressure Piping Gasfitting Level 3 · 12 lessons planned In development
GAS-340 Gasfitter Gas Appliance Troubleshooting and Service Gasfitting Level 3 · 12 lessons planned In development
GAS-350 Gasfitter Gas Fitter License Exam Preparation Gasfitting Level 3 · 12 lessons planned In development