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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
Screw-FIX Pot Hanger - Ø 200

Screw-FIX Pot Hanger - Ø 200

25-200-PHS
£45.99 (including VAT)
In stock
Screw-FIX Rain Cap - Ø 200

Screw-FIX Rain Cap - Ø 200

25-200-RC
£48.99 (including VAT)
In stock
Screw-FIX Top Hat Adaptor - Ø 200

Screw-FIX Top Hat Adaptor - Ø 200

25-200-THA
£53.99 (including VAT)
In stock
CHIMWRAP Liner Wrap 1000mm - Ø 175/200

CHIMWRAP Liner Wrap 1000mm - Ø 175/200

90-CW175200
£84.99 (including VAT)
In stock
Mi-Flexwrap 10m x 12mm Insulated Blanket  180mm or 200mm

Mi-Flexwrap 10m x 12mm Insulated Blanket 180mm or 200mm

90-FW850-10
£342.99 (including VAT)
In stock
Mi-Flexwrap 10m Kit (10m Blanket, 20 Bands, 12m Tape) 180mm or 200mm

Mi-Flexwrap 10m Kit (10m Blanket, 20 Bands, 12m Tape) 180mm or 200mm

90-FW850-10K
£392.99 (including VAT)
In stock
Leca 50L Bag

Leca 50L Bag

90-LECA
£27.99 (including VAT)
In stock
Rockwool Tube - 1000mm long  200mm

Rockwool Tube - 1000mm long 200mm

90-RPS-200
£59.99 (including VAT)
In stock
Aluminium Tape

Aluminium Tape

90-RPS-T
£26.99 (including VAT)
In stock
Vermiculite (100L Bag)

Vermiculite (100L Bag)

90-VERM
£34.99 (including VAT)
In stock
Debris Collar with Nut and Bolt - Ø 200

Debris Collar with Nut and Bolt - Ø 200

94-COLLAR-200
£26.99 (including VAT)
In stock
Register Plate (H) - 900x600, no access holes

Register Plate (H) - 900x600, no access holes

94-REG-H
£51.99 (including VAT)
In stock
Register Plate (J) - 900x600, no access hole - Ø 175 & 200

Register Plate (J) - 900x600, no access hole - Ø 175 & 200

94-REG-J
£43.99 (including VAT)
In stock
Register Plate (K) - 900x600, no access hole - Ø 175 & 200

Register Plate (K) - 900x600, no access hole - Ø 175 & 200

94-REG-K
£49.99 (including VAT)
In stock
Nose Cone - Ø 200

Nose Cone - Ø 200

20-200-NC
£7.99 (including VAT)
Out of stock
MI-FLEX Support Pot Hanging Cowl (Natural) - Ø 200 - Ø 200

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

20-200-PHCM-S
£85.99 (including VAT)
Out of stock
Premium PH Cowl (Natural) - Ø 200

Premium PH Cowl (Natural) - Ø 200

20-200-PHCMP
£99.99 (including VAT)
Out of stock
Premium PH Cowl (Terracotta) - Ø 200

Premium PH Cowl (Terracotta) - Ø 200

20-200-PHCMTP
£82.99 (including VAT)
Out of stock
MI-FLEX Square Pot Hanging Cowl (Natural) - Ø 200

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

20-200-SPHCM
£114.99 (including VAT)
Out of stock
MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 200

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

20-200-SPHCMT
£140.99 (including VAT)
Out of 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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