The Z-Flex Aluminum Liner is a UL-listed chimney liner designed for use with Category I natural-draft gas-fired heating equipment and gas fireplaces.Â
Compatible Appliances: This liner is intended exclusively for natural draft appliances and is not suitable for use with Category II, III, or IV gas-burning appliances. These include appliances that produce condensation, corrosive acids, or positive pressure within the chimney system, as defined by the National Fuel Gas Code (NFPA 54).
High Btu Capacity Liner
Our SmartFlex Smoothwall 316 Liner not only has a high Btu capacity it is extremely flexible. The interior of the liner is smooth so it allows for more airflow...