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HS-CSA — Ceiling Support Assembly

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.

HS-CSA — Ceiling Support Assembly


Submittal Data (49 KB, PDF)

A ceiling support assembly is used when a chimney is installed in a flat ceiling. Available in a black finish, the 6" and 8" sizes fit between regular 16" O.C. ceiling joists, and are cartoned with a stainless steel black single-wall adapter. (For exposed-beam ceiling installations, use Roof Support Assembly.)AV_pg5 AV CSA Ceiling Support Assembly prod dim

Available sizes (inches)

Part No.SizeABC
6HS-CSA6"3"6"14 1/4" sq.
8HS-CSA8"3"2"14 1/4" sq.