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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 20 of 59 items
316L Mi-FLEX 200mm x 1m CUT LENGTH

316L Mi-FLEX 200mm x 1m CUT LENGTH

35Z-200-1
£32.99 (including VAT)
In stock
316L Mi-FLEX 200mm x 30m COIL

316L Mi-FLEX 200mm x 30m COIL

35Z-200-30
from £1,267.99 (including VAT)
In stock
Jubilee Clip and Banding Ø 200 - 800mm length

Jubilee Clip and Banding Ø 200 - 800mm length

13-JUBILEE-200
£3.99 (including VAT)
In stock
Jubilee Clip and Banding Ø 300 - 1000mm length

Jubilee Clip and Banding Ø 300 - 1000mm length

13-JUBILEE-300
£4.99 (including VAT)
In stock
Increasing MI-FLEX Adaptor - Ø 150-Ø 200

Increasing MI-FLEX Adaptor - Ø 150-Ø 200

20-150-MRD
£73.99 (including VAT)
In stock
Increasing MI-FLEX Adaptor - Ø 180-Ø 200

Increasing MI-FLEX Adaptor - Ø 180-Ø 200

20-180-MR
£34.99 (including VAT)
In stock
Top Clamp - Ø 200

Top Clamp - Ø 200

20-200-C
£11.99 (including VAT)
In stock
Gather Hood Large (300x400) - Ø 200

Gather Hood Large (300x400) - Ø 200

20-200-GHL
£143.99 (including VAT)
In stock
Gather Hood Medium (300x300) - Ø 200

Gather Hood Medium (300x300) - Ø 200

20-200-GHM
£137.99 (including VAT)
In stock
Gather Hood Small (300x200) - Ø 200

Gather Hood Small (300x200) - Ø 200

20-200-GHS
£122.99 (including VAT)
In stock
Joiner - Ø 200

Joiner - Ø 200

20-200-J
£32.99 (including VAT)
In stock
MI-FLEX Adaptor - Ø 200

MI-FLEX Adaptor - Ø 200

20-200-MAE
£33.99 (including VAT)
In stock
MI-FLEX Adaptor 1mm - Ø 200

MI-FLEX Adaptor 1mm - Ø 200

20-200-MAE1
£50.99 (including VAT)
In stock
Top Plate - Ø 200

Top Plate - Ø 200

20-200-P
£11.99 (including VAT)
In stock
Pack 801 - (200mm, P/C/PS/N/CNP/MAE)

Pack 801 - (200mm, P/C/PS/N/CNP/MAE)

20-200-P801
£66.99 (including VAT)
In stock
Pack 802 - (200mm, P/C/N/CNP/MAE/RC)

Pack 802 - (200mm, P/C/N/CNP/MAE/RC)

20-200-P802
£93.99 (including VAT)
In stock
Pack 803 - (200mm, PHCM/N/CNP/MAE)

Pack 803 - (200mm, PHCM/N/CNP/MAE)

20-200-P803
£128.99 (including VAT)
In stock
Pack 804 - (200mm, P/C/PS/N/CNP/20-175-MR)

Pack 804 - (200mm, P/C/PS/N/CNP/20-175-MR)

20-200-P804
£120.99 (including VAT)
In stock
Pack 805 - (200mm, P/C/N/CNP/20-175-MR/RC)

Pack 805 - (200mm, P/C/N/CNP/20-175-MR/RC)

20-200-P805
£147.99 (including VAT)
In stock
Pack 806 - (200mm, PHCM/N/CNP/20-175-MR)

Pack 806 - (200mm, PHCM/N/CNP/20-175-MR)

20-200-P806
£183.99 (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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