Z-Flex 3" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit h4.1 Multi-Room Heating Capacity with Optional

Multi-Room Heating Capacity with Optional Outlet Kits

Item Number 3DFSW-30K Series DuraFlex SW Product Type Basic Kit Size (Diameter) 3" Flex Length 30' Warranty

000 BTU/Hr or at a LOW setting of 25

Model SF7-SP1318 Clearance UL and ULC listed to 1777 standard

Z-Flex 3" x 25' Triple-Lock Stainless Steel Smoothcore All Fuels Chimney Liner Kit h4.1 Multi-Room Heating Capacity with OptionalEliminates the turbulence that's inherent with corrugated liners, improving draft. Resists corrosive attack by not impeding the flow of condensate down the liner, with therefore, less opportunity for soot to accumulate. 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