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.
Part No. | Size | ID | OD |
---|---|---|---|
6DCC- 6, 12, 18, 24, 36, 48-BK | 6" | 6" | 7" |
8DCC- 6, 12, 18, 24, 36, 48-BK | 8" | 8" | 9" |