EXCELPellet is certified as a chimney liner for use on appliances that burn:

- Wood - Agricultural products - Natural or LP Gas -

Allowable Flue Gas Temperatures
Max Continuous 300°C (572°F)
Tested To 927°C (1700 °F)

Clearance to Combustible Materials
EXCELPellet is certified for 1" clearance to combustible materials.

Construction
Flue: .016" laser welded stainless steel.
Casing: .019" laser welded Galvalume steel or .019" laser welded satin coat steel (painted)
Paint: Forrest “Stove Bright” flat black.
Insulation: 3/8" Air Space
Gasket: Silicone Rubber

UL Listed Wall Thimble insulated extensions.  They install easily and will allow wall thimbles to fit walls up to 20¾" thick.