EXCELDirect® is a certified venting system designed to be used only with certified direct vent gas fired appliances.

Clearance to Combustible Materials
As determined by the gas appliance specifications in its instruction manual.

Construction
Flue: .016" Type 430 Stainless Steel
Casing: .019" Galvalume Steel or .022" Satin Coated (painted black)
Paint: Forrest “Stove Bright” flat black.
Seam: Interior and exterior seams are laser welded.

Sizes
4" interior X 6 5/8" exterior
5" interior X 8" exterior
* charts refer to inner diameter.

The storm collars fit both 4" x 6-5/8" and 5" x 8" EXCELDirect.  The regular Storm Collar (SC) is required to be used in combination with the Round Support of Attic Radiation Shield to form an attic insulation shield assembly when these components are installed into an insulated space.  For square support installations, use the Square Support Attic Collar (SQSC) in an attic instead.