The bottom line for safety in all fuel gas installations, the 1999 National Fuel Gas Code!

For current safety requirements for gas piping and appliances in residential, commercial and industrial applications, there's no better source than NFPA 54. Adopted as law by many jurisdictions around the globe, it's the most widely accepted code in the industry.

Updated and revised to reduce confusion, allow more flexibility, and improve safety!

Stay on top of all the latest regulations, including:

• Revised definition for "unusually tight construction" to ensure sufficient air infiltration for safe operation of gas appliances
• New requirement for combustion air ducts
• New limits imposed on the use of the alternate method of sizing chimneys and gas vents
• New exception permitting listed appliances to be installed with altitude derating per the listing
• New requirements for pressure and leak testing of piping
• New requirements for appliances in manufactured housing