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Premium 200MM (8 INCH) Flue Liners & Accessories | National Flues

Looking for durable and efficient 200MM (8 INCH) flue liners and components? National Flues offers a range of MI-Flex, 316L Mi-FLEX, and more. Our products, such as cut length and coil options, ensure seamless installation and optimal performance. Trust National Flues for all your flue system needs.
Looking for durable and efficient 200MM (8 INCH) flue liners and components? National Flues offers a range of MI-Flex, 316L Mi-FLEX, and more. Our products, such as cut length and coil options, ensure seamless installation and optimal performance. Trust National Flues for all your flue system needs.


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The best selling flue liner in the UK. Suitable for gas, oil, and approved solid fuels. Call our advisers on 01670 206 999 if you need any help choosing.

£1.93 £1,267.99
Showing 19 of 59 items
Pack 807 - (200mm, PHCMT/N/CNP/MAE)

Pack 807 - (200mm, PHCMT/N/CNP/MAE)

20-200-P807
£135.99 (including VAT)
In stock
Pack 808 - (200mm, PHCMT/N/CNP/20-175-MR)

Pack 808 - (200mm, PHCMT/N/CNP/20-175-MR)

20-200-P808
£187.99 (including VAT)
In stock
Pot Hanger with AD Cowl (Natural) - Ø 200

Pot Hanger with AD Cowl (Natural) - Ø 200

20-200-PHAD
£128.99 (including VAT)
In stock
Pot Hanger with AD Cowl (Terracotta) - Ø 200

Pot Hanger with AD Cowl (Terracotta) - Ø 200

20-200-PHADT
£135.99 (including VAT)
In stock
Pot Hanging Bracket - Ø 200

Pot Hanging Bracket - Ø 200

20-200-PHB
£21.99 (including VAT)
In stock
MI-FLEX Pot Hanging Cowl (Natural) - Ø 200

MI-FLEX Pot Hanging Cowl (Natural) - Ø 200

20-200-PHCM
£116.99 (including VAT)
In stock
MI-FLEX Pot Hanging Cowl (Terracotta) - Ø 200

MI-FLEX Pot Hanging Cowl (Terracotta) - Ø 200

20-200-PHCMT
£119.99 (including VAT)
In stock
Pot Hanger - Ø 200

Pot Hanger - Ø 200

20-200-PHS
£40.99 (including VAT)
In stock
Top Insert Sleeve - Ø 200

Top Insert Sleeve - Ø 200

20-200-PS
£19.99 (including VAT)
In stock
Top Insert Sleeve with Rain Cap - Ø 200

Top Insert Sleeve with Rain Cap - Ø 200

20-200-PSRC
£58.99 (including VAT)
In stock
Rain Cap - Ø 200

Rain Cap - Ø 200

20-200-RC
£55.99 (including VAT)
In stock
Chimney Notice Plate

Chimney Notice Plate

20-CNP
£1.93 (including VAT)
In stock
Chimney Notice Plate - 50 Pack

Chimney Notice Plate - 50 Pack

20-CNP48
£90.99 (including VAT)
In stock
Screw-FIX Increaser - Ø 175-200mm

Screw-FIX Increaser - Ø 175-200mm

25-175-MR
£39.99 (including VAT)
In stock
Screw-FIX Flex Joiner - Ø 200

Screw-FIX Flex Joiner - Ø 200

25-200-J
£51.99 (including VAT)
In stock
Screw-FIX Adaptor to SW, 1mm - Ø 200

Screw-FIX Adaptor to SW, 1mm - Ø 200

25-200-MAE1
£54.99 (including VAT)
In stock
Screw-FIX Long Tail Adaptor - Ø 200

Screw-FIX Long Tail Adaptor - Ø 200

25-200-MAELT
£42.99 (including VAT)
In stock
Screw-FIX Pot Hanging Cowl, Natural - Ø 200

Screw-FIX Pot Hanging Cowl, Natural - Ø 200

25-200-PHCM
£104.99 (including VAT)
In stock
Screw-FIX Pot Hanging Cowl, Terracotta - Ø 200

Screw-FIX Pot Hanging Cowl, Terracotta - Ø 200

25-200-PHCMT
£122.99 (including VAT)
In stock
Your 200MM (8 INCH) Questions Answered

What is the difference between MI-Flex and 316L Mi-FLEX? -

MI-Flex and 316L Mi-FLEX are both high-quality flue liner options, with the main difference being the material. MI-Flex is a general term for flexible flue liners, while 316L Mi-FLEX specifically refers to a variant made from 316L stainless steel for added durability and performance.

Do I need insulation with a 200MM (8 INCH) flue liner? +

Can I install the 200MM (8 INCH) flue liner myself? +

Are bottom fixings necessary for a 200MM (8 INCH) flue liner? +

What terminations are suitable for a 200MM (8 INCH) flue liner? +

How to maintain a 200MM (8 INCH) flue liner? +

Can I use 200MM (8 INCH) flue liners with wood-burning stoves? +

Upgrade your fireplace with our 200MM (8 INCH) flue liners and accessories. Made from premium materials like 316L Mi-FLEX, our products guarantee long-lasting durability and safety. Whether you need a specific length or a coil for custom installations, we have you covered. National Flues provides everything from bottom fixings to insulation, ensuring a complete solution for your flue system requirements. Explore our range today and experience top-tier quality and performance.
Why Buy 200MM (8 INCH) Products
Our 200MM (8 INCH) flue liners and accessories are ideal for both residential and commercial fireplace setups. Whether you are renovating an existing chimney or installing a new fireplace, our products offer flexibility and reliability. The 316L Mi-FLEX material ensures resistance to corrosion and high temperatures, making it perfect for a variety of heating appliances. From homes to restaurants, our products cater to diverse applications with ease.

Trusted By Trade Professionals

Our 200MM (8 INCH) products and services are trusted by hundreds of professionals nationwide. We're committed to providing quality and reliability that meets the high standards of our customers.

Dedicated Support

Experience our unparalleled customer service and support when you buy 200MM (8 INCH) from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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