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 kit includes two 24" pipe sections, one 18" adjustable length and one stove adapter. Kits are available in 6" and 8" sizes to accommodate vertical installations up to 66".