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175MM (7 INCH) Chimney Flue Products - Buy Online | National Flues

Discover top-quality 175mm (7 inch) chimney flue products at National Flues. Our TWPro BLACK collection offers a wide range of accessories including adaptors, pipes, elbows & tees, supports, fire stops, flashings, terminals, and finishing plates. Whether you need to upgrade your existing flue system or install a new one, we've got you covered with durable and reliable products designed for optimum performance.
Discover top-quality 175mm (7 inch) chimney flue products at National Flues. Our TWPro BLACK collection offers a wide range of accessories including adaptors, pipes, elbows & tees, supports, fire stops, flashings, terminals, and finishing plates. Whether you need to upgrade your existing flue system or install a new one, we've got you covered with durable and reliable products designed for optimum performance.


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£1.93 £293.99
Showing 20 of 69 items
TWPro MB - 2pc. Round Fixed Finishing Plate (150) 45° - Ø  175

TWPro MB - 2pc. Round Fixed Finishing Plate (150) 45° - Ø 175

58-175-116
£41.99 (including VAT)
In stock
TWPro MB - 2pc. Round Fixed Finishing Plate 90° - Ø  175

TWPro MB - 2pc. Round Fixed Finishing Plate 90° - Ø 175

58-175-117
£26.99 (including VAT)
In stock
TWPro MB - 2pc. Round Fixed Finishing Plate (150) 90° - Ø  175

TWPro MB - 2pc. Round Fixed Finishing Plate (150) 90° - Ø 175

58-175-118
£40.99 (including VAT)
In stock
TWPro MB - Twin Wall to Twin Wall Increaser - Ø 175-Ø 200

TWPro MB - Twin Wall to Twin Wall Increaser - Ø 175-Ø 200

37-175-004
£100.99 (including VAT)
Out of stock
TWPro MB - 30° Bend - Ø 175

TWPro MB - 30° Bend - Ø 175

37-175-032
£86.99 (including VAT)
Out of stock
TWPro MB - Rotating Cowl - Ø 175

TWPro MB - Rotating Cowl - Ø 175

37-175-094
£293.99 (including VAT)
Out of stock
TWPro MB - Wall Support 210mm-420mm - Ø  175

TWPro MB - Wall Support 210mm-420mm - Ø 175

58-175-055
£76.99 (including VAT)
Out of stock
MI-Flash - No 2 Tile Black EPDM 175-275mm LD-760x660

MI-Flash - No 2 Tile Black EPDM 175-275mm LD-760x660

12-2-LD-TILE
£97.99 (including VAT)
In stock
MI-Flash - No 2 Tile Black EPDM 175-275mm AL-760x660

MI-Flash - No 2 Tile Black EPDM 175-275mm AL-760x660

12-2-TILE
£33.99 (including VAT)
In stock
MI-Flash - No 2 Tile Grey SILICONE 175-275mm AL-760x660

MI-Flash - No 2 Tile Grey SILICONE 175-275mm AL-760x660

12-2-TILEHT
£61.99 (including VAT)
In stock
MI-Flash - No 7 Metal Grey SILICONE 152-280mm 355x355

MI-Flash - No 7 Metal Grey SILICONE 152-280mm 355x355

12-7HT
£28.99 (including VAT)
In stock
MI-Flash - No 7 Metal Black EPDM 152-280mm 355x355

MI-Flash - No 7 Metal Black EPDM 152-280mm 355x355

12-7LT
£17.99 (including VAT)
In stock
Roof Support - Ø  175

Roof Support - Ø 175

15-175-067
£27.99 (including VAT)
In stock
Firestop Cover Plate (WHITE) - Ø  175

Firestop Cover Plate (WHITE) - Ø 175

15-175-075
£33.99 (including VAT)
In stock
Wall Sleeve - Ø  175

Wall Sleeve - Ø 175

15-175-098
£37.99 (including VAT)
In stock
Wall Sleeve 45° Adjustable - Ø  175

Wall Sleeve 45° Adjustable - Ø 175

15-175-100
£37.99 (including VAT)
In stock
Gasket - Ø  175

Gasket - Ø 175

15-175-102
£4.99 (including VAT)
In stock
Roof Brace Kit - Ø  175

Roof Brace Kit - Ø 175

15-175-123
£60.99 (including VAT)
In stock
Chimney Notice Plate

Chimney Notice Plate

20-CNP
£1.93 (including VAT)
In stock
Lead Slate, Pitch 25°-35°, suitable for TW Ø 175 - 180mm

Lead Slate, Pitch 25°-35°, suitable for TW Ø 175 - 180mm

32-180-TWLS35
£137.99 (including VAT)
In stock
Your 175MM (7 INCH) Questions Answered

What materials are used in the construction of the 175mm (7 inch) chimney flue products? -

Our 175mm (7 inch) chimney flue products are constructed from high-quality materials such as stainless steel, ensuring durability and longevity.

Are the TWPro BLACK products suitable for both indoor and outdoor flue systems? +

Do you offer installation services for the 175mm (7 inch) chimney flue products? +

How can I ensure the proper sizing of the chimney flue components for my system? +

Are the TWPro BLACK products compatible with other chimney flue brands? +

What maintenance is required for the 175mm (7 inch) chimney flue products? +

Can I mix and match TWPro BLACK components with other chimney flue products? +

When it comes to chimney flue systems, having the right components is crucial for safety and efficiency. At National Flues, our 175mm (7 inch) TWPro BLACK range is manufactured to the highest standards, ensuring durability and performance. Our products are easy to install and maintain, offering a long-lasting solution for your flue system needs. Explore our comprehensive selection of pipes, adaptors, elbows, tees, and accessories to create a complete, reliable chimney system for your property.
Why Buy 175MM (7 INCH) Products
The 175mm (7 inch) chimney flue products from National Flues are perfect for both residential and commercial applications. Whether you're installing a new wood-burning stove or upgrading an existing fireplace, our TWPro BLACK range provides all the components you need for a safe and efficient flue system. Our products are designed to withstand high temperatures and harsh weather conditions, making them ideal for a variety of installations. Trust National Flues for quality chimney flue solutions that meet your specific requirements.

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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