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 | Length |
---|---|
3DFC24 | 24 |
3DFC3 | 36 |
3DFC4 | 48 |
3DFC5 | 60 |
Model | Length |
---|---|
4DFC24 | 24 |
4DFC3 | 36 |
4DFC4 | 48 |
4DFC5 | 60 |