Technical Information EXCELDirect® has been tested and listed to: UL 2112 by Underwriters Laboratory (Listing #MH300439) ANSI Z21/CSA for Direct vent gas appliances and UL 2112 Standards by INTERTEK Testing Services (Listing #5965) Applications 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 Stainless Steel Casing .019″ Galvalume Steel or .022″ Satin Coated (painted black) Paint Forrest “Stove Bright” flat black Approved Appliance Manufacturers Archgard Empire Comfort Systems Enviro Flair Fireplaces FPI Fireplace Products International Harman Hearthstone HHT – certain models Jotul Kingsman Kozy Heat Lennox – certain models Mendota MHSC – Vermont Castings Group Miles Industries Inc. Ortal Fireplaces Town and Country Travis Industries, Inc. Kit includes: Horizontal Termination, Insulated Wall Thimble, 9" Length, 90 Degree Elbow, 24" Length 4" interior X 6 5/8" exterior Link to ICC Excel Direct Info