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. The System Design and Installation Guide is an additional resource.
The storm collar serves as a counter flashing. Use mastic to seal the vent pipe.
Model | Size |
---|---|
3ESC | 3" |
4ESC | 4" |
5ESC | 5" |
6ESC | 6" |
7RSC | 7" |
8RSC | 8" |
9RSC | 9" |
10RSC | 10" |
12RSC | 12" |
14SC | 14" |
16SC | 16" |
18SC | 18" |
20SC | 20" |
22SC | 22" |
24SC | 24" |
26SC | 26" |
28SC | 28" |
30SC | 30" |