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 and requires mastic to seal to the vent pipe.
Model | Size |
---|---|
40SC | 4" |
50SC | 5" |
60SC | 6" |