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.
Available in a black finish, the Ceiling Support Square is designed for flat ceiling chimney installations. All sizes fit between regular 16" O.C. ceiling joists. The decorative flange eliminates the need for additional trim face plate. Use with single-wall adapter. (For open-beam ceiling installations, use Roof Support or Adjustable Roof Support Assembly.)
|6PL-CSS-BK||6"||3"||2"||14 1/4" sq.|
|8PL-CSS-BK||8"||3"||2"||14 1/4" sq.|