Z-Flex 6" x 25' Aluminum Liner Kit h13 Control Option

Control Option

down to the smallest detail

This warranty is only for defective parts

Williams Furnace High Altitude Conversion Kit with all Required Orifices for 2001621A

The angle will remain fixed at 90

Z-Flex 6" x 25' Aluminum Liner Kit h13 Control OptionUL 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.