International Fuel Gas Code, 2021

The 2021 International Fuel Gas Code, IFGC® addresses the design and installation of fuel gas systems and gas fired appliances through prescriptive and performance requirements.

Key changes in the 2021 IFGC® include:

• 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 psig) applications indoors.
• Commercial cooking appliances are not allowed within dwelling units.