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175MM (7 INCH) Flue Liners & Installation Kits - Quality Fireplace Accessories

Upgrade your fireplace with our premium 175mm (7 inch) flue liners and installation kits. Whether you're renovating or installing a new fireplace, our products are designed for durability and optimal performance. With a focus on quality and safety, our range includes everything from flue liners to fixings and insulation, ensuring a seamless installation process.
Upgrade your fireplace with our premium 175mm (7 inch) flue liners and installation kits. Whether you're renovating or installing a new fireplace, our products are designed for durability and optimal performance. With a focus on quality and safety, our range includes everything from flue liners to fixings and insulation, ensuring a seamless installation process.


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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 £1,218.99
Showing 20 of 59 items
316L Mi-FLEX 180mm x 1m CUT LENGTH

316L Mi-FLEX 180mm x 1m CUT LENGTH

35Z-180-1
£29.99 (including VAT)
In stock
316L Mi-FLEX 180mm x 32m COIL

316L Mi-FLEX 180mm x 32m COIL

35Z-180-32
from £1,218.99 (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 175

Increasing MI-FLEX Adaptor - Ø 150-Ø 175

20-150-MR
£29.99 (including VAT)
In stock
Top Clamp - Ø 180

Top Clamp - Ø 180

20-180-C
£10.99 (including VAT)
In stock
Gather Hood Large (300x400) - Ø 180

Gather Hood Large (300x400) - Ø 180

20-180-GHL
£140.99 (including VAT)
In stock
Gather Hood Medium (300x300) - Ø 180

Gather Hood Medium (300x300) - Ø 180

20-180-GHM
£131.99 (including VAT)
In stock
Gather Hood Small (300x200) - Ø 180

Gather Hood Small (300x200) - Ø 180

20-180-GHS
£121.99 (including VAT)
In stock
Joiner - Ø 180

Joiner - Ø 180

20-180-J
£28.99 (including VAT)
In stock
MI-FLEX Adaptor - Ø 180

MI-FLEX Adaptor - Ø 180

20-180-MAE
£31.99 (including VAT)
In stock
MI-FLEX Adaptor 1mm - Ø 180

MI-FLEX Adaptor 1mm - Ø 180

20-180-MAE1
£44.99 (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 Plate - Ø 180

Top Plate - Ø 180

20-180-P
£11.99 (including VAT)
In stock
Pack 701 - (175mm, P/C/PS/N/CNP/MAE)

Pack 701 - (175mm, P/C/PS/N/CNP/MAE)

20-180-P701
£61.99 (including VAT)
In stock
Pack 702 - (175mm, P/C/N/CNP/MAE/RC)

Pack 702 - (175mm, P/C/N/CNP/MAE/RC)

20-180-P702
£88.99 (including VAT)
In stock
Pack 703 - (175mm, PHCM/N/CNP/MAE)

Pack 703 - (175mm, PHCM/N/CNP/MAE)

20-180-P703
£126.99 (including VAT)
In stock
Pack 704 - (175mm, P/C/PS/N/CNP/20-150-MR)

Pack 704 - (175mm, P/C/PS/N/CNP/20-150-MR)

20-180-P704
£137.99 (including VAT)
In stock
Pack 705 - (175mm, P/C/N/CNP/20-150-MR/RC)

Pack 705 - (175mm, P/C/N/CNP/20-150-MR/RC)

20-180-P705
£83.99 (including VAT)
In stock
Pack 706 - (175mm, PHCM/N/CNP/20-150-MR)

Pack 706 - (175mm, PHCM/N/CNP/20-150-MR)

20-180-P706
£120.99 (including VAT)
In stock
Your 175MM (7 INCH) Questions Answered

What are the benefits of using a 175mm (7 inch) flue liner? -

A 175mm (7 inch) flue liner improves draft efficiency, enhances safety by containing heat and gases, and protects the chimney structure from damage caused by moisture and creosote buildup.

How do I install a 175mm (7 inch) flue liner? +

Can I use a 175mm (7 inch) flue liner for a wood-burning stove? +

Do I need a professional to install a 175mm (7 inch) flue liner? +

Are 175mm (7 inch) flue liners suitable for gas appliances? +

How often should I inspect my 175mm (7 inch) flue liner? +

Can I customize the length of a 175mm (7 inch) flue liner? +

When it comes to fireplace installations, choosing the right flue liners and installation kits is crucial for both safety and efficiency. Our 175mm (7 inch) products are crafted from high-quality materials like 316L Mi-FLEX stainless steel, providing superior resistance to corrosion and high temperatures. Whether you're a professional installer or a DIY enthusiast, our easy-to-use products make chimney maintenance hassle-free. Explore our range of cut lengths and coils to find the perfect fit for your fireplace needs.
Why Buy 175MM (7 INCH) Products
Our 175mm (7 inch) flue liners and installation kits are suitable for a wide range of applications, including residential fireplaces, wood-burning stoves, and gas appliances. The flexibility and durability of our products make them ideal for both new installations and upgrades. By investing in our quality flue liners and accessories, you can ensure proper ventilation, improve energy efficiency, and enhance the overall safety of your fireplace.

Trusted By Trade Professionals

Our 175MM (7 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 175MM (7 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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