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 | Dim. C | Dim. D |
---|---|---|---|---|---|
7REA45 | 7" | 4 3/8" | 5/8" | 10 3/8" | 4 3/4" |
8REA45 | 8" | 4 5/8" | 2 7/8" | 11 1/8" | 4 3/4" |
10REA45 | 10" | 5" | 3 1/4" | 12 3/4" | 4 3/4" |
12REA45 | 12" | 51/2" | 33/4" | 13 3/4" | 4 3/4" |