A finest top quality stainless steel, high temperature insulated twin wall flue pipe, guaranteed for 10 years against defects due to faulty manufacture. This stainless steel system consists of a 25mm high density insulated core surrounded by 316 grade inner liner is 0.5mm thick, (25% thicker than some products) & the 304 grade outer casing is 0.5mm thick. They are BSRIA approved to BS4543 Parts 2 & 3 & HETAS approved for solid fuel burning. It is supplied with a bright Annealed Mirror Finish. PLEASE NOTE
- We recommend a minimum of 1 metre vitreous flue pipe LINK is installed between the stove & stainless steel twin wall system. Your vitreous flue pipe will either be 5" or 6" depending on which stove you have purchased. Each stove product page has a link to which of the two stainless steel flue connectors you will require for your installation. All stainless steel twin wall flue systems are 6" (150mm) in diameter.