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TLCSC — Storm Collar

How to Specify

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.

TLCSC — Storm Collar


  • Used in conjunction with roof flashing to keep precipitation out.


Available sizes (inches)

5TLCSC5"74 1/2
6TLCSC6"84 1/2
7TLCSC7"94 1/2
8TLCSC8"104 1/2
10TLCSC10"125 1/2
12TLCSC12"145 1/2
14TLCSC14"165 1/2