G2425 Overview

Section G2425 is titled 'General' and covers requirements for fuel gas systems. The purpose of this section is to mandate requirements for chimneys, vents, and vent connectors.

The model shows a section of factory-built chimney and a natural gas furnace connected to a masonry chimney which are covered by an umbrella to symbolize that this section covers all chimneys, vents, and vent connectors.