Prima Plus 1mm is a high quality 316L stainless steel single wall flue system. It is specifically designed for connecting solid fuel appliances to existing brick stacks or a twin wall stainless steel chimney. It provides internal fluing of domestic woodburning, coal and multi-fuel stoves and boilers with normal operating temperatures up to 540°C and short firing up to 760°C. It can also be used for lining brick stacks for gas, oil, multi-fuel appliances and open fires as an alternative to flexible liner. With the addition of a gasket to the joint, Prima Plus is also designed for flueing condensing gas and oil appliances with positive pressures up to 200Pa, continuous operating temperatures up to 160°C and short firing up to 200°C.

• 316 1mm stainless steel single skin construction
• For use as a connecting flue pipe and liner
• Residential and commercial installations
• Multifuel applications
• Diameters from 100mm to 300mm

CE Approved EN 1856-2 Designation T600 N1 D V3 L50 G400 .