Using tables from the National Fuel Gas Code or our Sizing & Application Guide, determine the diameter of venting required. The Sizing & Application Guide also offers tips on good design including multi-appliance system sizing and design. The System Design and Installation Guide is an additional resource.
The Chimney Tee Assembly consists of a chimney tee, tee branch (made up of one 12-inch section of chimney), single-wall adapter, pipe end plate, and tee cap. Use this combination where connection to chimney is made into branch of tee in through-the-wall installation.
The Chimney Tee is available in a galvanized or stainless steel outer wall.