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.
Part Number | Size |
5TLCITC | 5" |
6TLCITC | 6" |
7TLCITC | 7" |
8TLCITC | 8" |