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.
Model | Size | I.D. A | Dim. B |
---|---|---|---|
3RAA | 3 | 3 11/16 | 6 |
4RAA | 4 | 4 11/16 | 6 |
5RAA | 5 | 5 11/16 | 6 |
6RAA | 6 | 6 11/16 | 6 |
7RAA | 7 | 7 11/16 | 8 1/2 |
8RAA | 8 | 8 11/16 | 8 1/2 |
Manufacturer | Pipe Diameter | Airspace | Adapter Male | Adapter Female |
---|---|---|---|---|
Selkirk | 3 - 6 | 1/4 | RA or RPA* | RRA |
Selkirk | 7 - 8 | 1/4 | RA | - |
Metal Fab | 3 - 6 | 1/4 | RA or RPA | *RRA |
Metal Fab | 7 - 8 | 1/2 | RPA | - |
AmeriVent | 3 - 6 | 1/4 | RA or RPA* | RRA |
AmeriVent | 7 - 8 | 1/2 | RPA | - |
Air-Jet | 3 - 6 | 3/8 | RAA | - |
Air-Jet | 7 - 8 | 3/8 | RAA | - |
DuraVent | 3 - 6 | 5/16 | RAA | RRA |
DuraVent | 7 - 8 | 5/16 | RAA | - |