Biomass factory-built chimney and vent intended for use with Biomass fuel appliances approved for Type L low-temperature venting systems in accordance with “Standard for Chimneys, Fireplaces, Vents, and Solid-Fuel Burning Appliances,” NFPA 211, and the International Mechanical Code.

Biomass Chimney features a corrosion-resistant 430 stainless flue and galvanized steel casing designed to operate in highly corrosive biofuel applications.  Our cutting-edge positive twist-lock design, locking tabs, and rope gasket at each joint, prevent fly ash leakage and reduces installation time.

What’s Included

• 3″ to 4″ Diameter Increaser Appliance Adapter

Features

• For use with biomass fuels such as pellet, corn, wheat, or other grassy and woody plants as specified by appliance manufacturers
• Tested and Listed to UL641
• Pipe and fittings in 3” and 4” diameters.
• Factory-built double-wall construction, using 444 stainless steel flue and galvanized steel outer casing.
• Continuous laser-welded inner flue and casing.
• 1” clearance to combustibles vent system, rated for continuous use of flue temperatures up to 570º.
• Silicone gaskets provide an airtight seal eliminating fly ash leakage.
• Innovative twist-locking connections rotate 130º allowing seam alignment for an aesthetically pleasing installation.
• Limited Lifetime Warranty
• Note: Pipe overlaps 1 1/2″ when joined together. Assembled length is 1 1/2″ less than listed length.

Specifications