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.
Through-the-Wall Kit contains stainless steel cap, tee assembly, round flashing, round storm collar, wall support, painted wall thimble, and three support bracket assemblies.