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 | Dim. A | Dim. B |
---|---|---|---|
4OEF45 | 4" | 3 3/4" | 3 3/4" |
5OEF45 | 5" | 4 3/4" | 4 3/4" |