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 | (A) | (B) |
---|---|---|---|
3RS | 3" | 3 1/2" | 6 5/8" |
4RS | 4" | 4 1/2" | 7 5/8" |
5RS | 5" | 5 1/2" | 8 5/8" |
6RS | 6" | 6 1/2" | 9 5/8" |
Model | Size | (A) | (B) |
---|---|---|---|
7RS | 7" | 8" | 10 7/8" |
8RS | 8" | 9" | 11 7/8" |
10RS | 10" | 11" | 14 1/2" |
12RS | 12" | 13" | 16 1/2" |