DuraVent DuraFlex SW 4" x 70' Stainless Steel Custom Length btu17100 91 (Indoor) standards

91 (Indoor) standards

you can order an on/off single or duplex switch from Infratech or you can use your own 3rd party 120V switch

Comes with 2 drawers for storage

Vented Burner System Specification Sheet Natural Gas Burner System Certification Weight BTU Compatible Log Size 60" Triple Stack Non-Certified 114 445

875" (L) Listings Standard UL-641

DuraVent DuraFlex SW 4" x 70' Stainless Steel Custom Length btu17100 91 (Indoor) standardsDuraFlex SW is a smooth inner wall, flexible stainless steel chimney liner. The smooth inner wall provides for no output reduction allowing for full appliance efficiency. Smooth wall construction eliminates ridges that restrict flue gas flow and collect deposits. The lack of ridges facilitates cleaning and maintenance. DuraFlex SW is ideal for relining masonry chimney for wood and gas burning appliances. Listed to UL 1777. What's Included Length