The 2021 International Fuel Gas Code includes the following key changes: The termination of concealed condensate piping requires marking to indicate if it is the primary drain or the secondary drain. Press-connect joints are acceptable for high pressure (over 5 psi) applications indoors. Commercial cooking appliances are not allowed within dwelling units.
The 2021 International Fuel Gas Code (IFGC) – part of the International Code Council (ICC) Series – provides comprehensive, model regulations for the design, installation, maintenance, and inspection of fuel gas systems. It covers both residential and commercial applications and is designed to protect public health and safety by minimizing fire and explosion hazards associated with gas systems.The 2021 edition includes updated and reorganized provisions across 8 chapters and appendices, addressing key elements of gas piping, combustion air, appliances, and ventilation systems.
Practical Application:
The 2021 International Fuel Gas Code (IFGC) is to ensure the safe design, installation, inspection, and maintenance of fuel gas systems used in residential, commercial, and industrial settings. It serves as a vital regulatory tool for protecting life and property from fire, explosion, and carbon monoxide hazards caused by improper gas system design or usage.
Licensing Exam Preparation:
The 2021 International Fuel Gas Code (IFGC) is a core reference used in multiple ICC certification exams. These exams are designed for professionals who install, inspect, or plan gas-fired systems, ensuring safety and code compliance. The licensing preparation focuses on mastering code navigation, applying code rules, and understanding safety-critical practices. The 2021 IFGC is commonly used in ICC certification exams for trades such as:
Fuel Gas Inspector (G29)
Residential Mechanical Inspector (M1)
Commercial Mechanical Inspector (M2)
Mechanical Plans Examiner (M3)
Combination Inspector (B5, M5, etc.)
Visual & Organizational Tools:
The 2021 International Fuel Gas Code (IFGC) includes several visual and organizational tools designed to help users quickly find, understand, and apply the code requirements efficiently, whether in design, installation, inspection, or exam preparation.
Publisher Information
International Code Council is a leading organization dedicated to developing a single set of comprehensive, coordinated national model construction codes. To date, 48 U.S. states have adopted various international codes from the International Code Council.
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