Call Toll Free Number 1.866.289.4652 
| Open 7 Days a Week
Huge Sale on Clearance Heaters & Greenstar Boilers! FREE GROUND SHIPPING on all orders over $199!
Chimney Liner Venting
Z-Flex Chimney Liners are UL listed for use with Category I natural-draft gas-fired heating equipment and gas fireplaces.
Z-Flex Chimney Liners are 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.
Z-Flex Chimney Liners are 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.
-
Z-Flex 7" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0735)
Z-Flex 7" x 35' All Fuel Stainless Steel Kit (2ZFLKIT0735)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 5" x 50' All Fuel Insert Kit (2OILKTX0550I)
Z-Flex 5" x 50' All Fuel Insert Kit (2OILKTX0550I)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 5.5" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-545)
Z-Flex 5.5" x 45' Z-Max Oil, Gas, & Pellet Kit (2OILKTX05-545)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 5" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0550)
Z-Flex 5" x 50' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0550)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 6" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0640)
Z-Flex 6" x 40' All Fuel Stainless Steel Kit (2ZFLKIT0640)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 5" x 45' All Fuel Stainless Steel Kit (2ZFLKIT0545)
Z-Flex 5" x 45' All Fuel Stainless Steel Kit (2ZFLKIT0545)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 5.5" x 40' All Fuel Stainless Steel Kit (2ZFLKIT05-540)
Z-Flex 5.5" x 40' All Fuel Stainless Steel Kit (2ZFLKIT05-540)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 8" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0830)
Z-Flex 8" x 30' All Fuel Stainless Steel Kit (2ZFLKIT0830)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 7" x 35' All Fuel Insert Kit (2OILKTX0735I)
Z-Flex 7" x 35' All Fuel Insert Kit (2OILKTX0735I)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More -
Z-Flex 7" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0735)
Z-Flex 7" x 35' Z-Max Oil, Gas, & Pellet Kit (2OILKTX0735)
For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More
