Z-Flex 7" x 35' Aluminum Liner Kit h29.50 sold separately with switch

sold separately with switch

DuraFlex AL is for a non-condensing gas appliance

Maintaining proper and safe draft conditions for the fireplace while providing combustion air are massive challenges in today’s tight construction

and 28" sizes

000 BTUs) for twice the heat

Z-Flex 7" x 35' Aluminum Liner Kit h29.50 sold separately with switchUL listed aluminum chimney liner kit for use with Category I natural draft gas fired heating equipment and gas fireplaces. Note: For Use with Natural Draft Appliances. Not intended for use with Category II, III, or IV gas burning appliances as defined by the National Fuel Gas Code, NFPA 54, or other appliances that result in condensation or corrosive acids on the liner of the chimney, or that create positive pressures in the chimney system.