Z-Flex 5" x 20' Aluminum Liner Kit w17.75 Not included with the unit

Not included with the unit

Model 410011 Flue Size 11" Size 11

warmer heat

In wood-heat system installations

3885ft3 [110m3]

Z-Flex 5" x 20' Aluminum Liner Kit w17.75 Not included with the unitUL 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.