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TLCWT — Black Wall Thimble

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.

How to Purchase

TLCWT — Black Wall Thimble

Assets/Details

  • Used in a wall support installation.
  • Radiation shield is included with spacers, which maintain the mandatory 2-inch clearance to combustibles.
  • Attractive matte black finishing trim plate is included.
  • Adjustable wall thickness from 4 1/2" – 8 3/4" for 5" – 8" sizes and from 6" – 11" for 10" – 14" sizes.

Black Wall Thimble dimensions (inches)

ModelSize(A)(B)
5TLCWT5"7 1/816
6TLCWT6"8 1/816
7TLCWT7"9 1/816
8TLCWT8"10 1/816
10TLCWT10"12 1/818
12TLCWT12"14 1/820
14TLCWT14"16 1/824

TLCWT — Black Wall Thimble - dimensional drawing