IFGC Code Reference

The International Fuel Gas Code (IFGC) establishes minimum requirements for fuel gas systems and gas-fired appliances. Below are official resources and key topics covered.

Important Notice

Code requirements vary by jurisdiction. Always verify local amendments and requirements with your local authority having jurisdiction (AHJ).

Official Resources

Key Topics Covered

Gas Piping Systems

  • Pipe sizing and capacity calculations
  • Materials approved for gas piping
  • Joining methods and fittings
  • Pressure testing requirements

Appliance Installation

  • Clearances from combustibles
  • Access and service requirements
  • Gas connections and shutoffs
  • Electrical requirements

Venting Systems

  • Vent categories (I, II, III, IV)
  • Direct vent and power vent systems
  • Chimney and vent connector requirements
  • Combustion air requirements

Safety Controls

  • Gas shutoff valve requirements
  • Appliance safety controls
  • Carbon monoxide detection
  • Emergency procedures