Biomass Products Catalog

Metal-Fab 3PI4 – Biomass / Pellet Increaser – 3″ to 4″

Provides transition from 3″ to 4″ diameter pipe. For use with biomass fuels such as pellet, corn, wheat or other grassy and woody plants as specified by appliance manufacturers.

Features

• Type L Biomass Chimney
• Stainless liner
• Galvanized casing
• 3″ Clearance to combustibles
• Tested and Listed to UL 641.
• Pipe and fittings available in 3″ and 4″ diameters
• Factory-built double wall construction, using 430 stainless steel flue and galvanized steel outer casing.
• Positive twist lock for easy assembly and disassembly without tools and without damage.
• Rope gaskets at each joint to prevent fly ash leakage.
• Note: Pipe overlaps 1-1/2″ when joined together. Assembled length is 1-1/2″ less than listed length.

HSS1611260