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

 - Wood - Oil - Natural or LP Gas -

Allowable Flue Gas Temperatures
Max Continuous 650°C (1200°F)
Brief Forced Firing 925°C (1700°F)
Tested To 1150°C (2100°F)

Clearance to Combustible Materials
The clearance between EXCELiner and surrounding combustible and non-combustible materials varies with the type of installation. Please refer to the installation instructions for specific details for your application.

Construction
Single wall: .016" or .025" stainless steel (all tees are heavy gauge .025").
Seam: Continuous seam welded.
Insulation: Optional (required for some applications) Foil backed ceramic liner.

For tight insert installations that need to be offset quickly in order to align with the flue. The Offset Box is adjustable in length and has a clean-out port with removable thumb screws.