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125MM (5 INCH) Chimney Flue and Accessories - Buy Online | National Flues

Explore our comprehensive selection of 125mm (5 inch) chimney flue products at National Flues. From TWPro adaptors to pipes, bends, tees, supports, and accessories, we offer top-quality solutions to suit your chimney installation needs. Whether you're a professional installer or a DIY enthusiast, our 125mm range provides durable and reliable components to ensure efficient venting of flue gases from your fireplace or stove. Trust National Flues for premium chimney flue solutions in the UK.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Adaptors
Adaptors
Accessories
Accessories
Pipes
Pipes
Starter Pipes
Starter Pipes
Bends & Tees
Bends & Tees
Supports
Supports
Fire Stops
Fire Stops
Flashings
Flashings
Terminals
Terminals
Finishing Plates
Finishing Plates
Finishing Plate 0°-30° - Ø  125
SKU: 15-125-096

Finishing Plate 0°-30° - Ø 125

£26.99 incl VAT

Finishing Plate 30°-45° - Ø  125
SKU: 15-125-097

Finishing Plate 30°-45° - Ø 125

£26.99 incl VAT

Wall Sleeve - Ø  125
SKU: 15-125-098

Wall Sleeve - Ø 125

£28.99 incl VAT

Wall Sleeve 45° Adjustable - Ø  125
SKU: 15-125-100

Wall Sleeve 45° Adjustable - Ø 125

£28.99 incl VAT

Gasket - Ø  125
SKU: 15-125-102

Gasket - Ø 125

£2.99 incl VAT

Round Finishing Plate 90° - Ø  125 - 150mm wide
SKU: 15-125-108

Round Finishing Plate 90° - Ø 125 - 150mm wide

£32.49 incl VAT

Round Finishing Plate 90° (1 Piece) - Ø  125
SKU: 15-125-113

Round Finishing Plate 90° (1 Piece) - Ø 125

£20.49 incl VAT

Round Finishing Plate 45° (1 Piece) - Ø  125
SKU: 15-125-114

Round Finishing Plate 45° (1 Piece) - Ø 125

£20.49 incl VAT

2pc. Round Fixed Finishing Plate 45° - Ø  125
SKU: 15-125-115

2pc. Round Fixed Finishing Plate 45° - Ø 125

£20.49 incl VAT

2pc. Round Fixed Finishing Plate (150) 45° - Ø  125
SKU: 15-125-116

2pc. Round Fixed Finishing Plate (150) 45° - Ø 125

£32.49 incl VAT

2pc. Round Fixed Finishing Plate 90° - Ø  125
SKU: 15-125-117

2pc. Round Fixed Finishing Plate 90° - Ø 125

£20.49 incl VAT

2pc. Round Fixed Finishing Plate (150) 90° - Ø  125
SKU: 15-125-118

2pc. Round Fixed Finishing Plate (150) 90° - Ø 125

£32.49 incl VAT

Roof Brace Kit - Ø  125
SKU: 15-125-123

Roof Brace Kit - Ø 125

£58.49 incl VAT

Premium Wall Bracket 50mm-90mm - Ø  125
SKU: 15-125-151

Premium Wall Bracket 50mm-90mm - Ø 125

£44.99 incl VAT

Premium Long Wall Bracket 100mm-210mm - Ø  125
SKU: 15-125-153

Premium Long Wall Bracket 100mm-210mm - Ø 125

£67.99 incl VAT

Retro Fit Base Support  - Ø  125
SKU: 15-125-160

Retro Fit Base Support - Ø 125

£48.99 incl VAT

Long Retro Fit Base Support Ø  125
SKU: 15-125-161

Long Retro Fit Base Support Ø 125

£124.49 incl VAT

Heavy Duty Roof Support  - Ø  125
SKU: 15-125-167

Heavy Duty Roof Support - Ø 125

£42.99 incl VAT

Joint Cover Band - Ø  125
SKU: 15-125-175

Joint Cover Band - Ø 125

£14.99 incl VAT

Single Wall to Twin Wall Increaser Ø 100 - Ø 125
SKU: 2-100-002

Single Wall to Twin Wall Increaser Ø 100 - Ø 125

£33.49 incl VAT

Your Questions Answered

What is the importance of a chimney flue? -

A chimney flue plays a vital role in safely directing smoke and combustion byproducts out of your property. It helps prevent the accumulation of harmful gases and ensures efficient venting of emissions.

Are the 125mm chimney flue products compatible with all chimney systems? +

How do I determine the correct size of chimney flue components I need? +

Can I install the chimney flue products myself? +

Do I need additional accessories for my chimney flue system? +

Are the chimney flue products resistant to high temperatures? +

What is the recommended maintenance for chimney flue components? +

When it comes to installing or upgrading your fireplace or stove, having the right chimney flue components is essential for optimal performance and safety. At National Flues, our 125mm (5 inch) category offers a diverse range of products to cater to various installation requirements. From flex to twin wall adaptors to fire stops and flashings, we have everything you need to complete your chimney system with ease. Our products are designed to meet industry standards, providing you with peace of mind knowing that your flue system is built to last. Browse our 125mm range today and enhance the efficiency of your chimney installation.
Why Buy These Products
The 125mm (5 inch) chimney flue products available at National Flues are versatile and suitable for a wide range of applications. Whether you're working on a residential fireplace, a commercial stove, or an industrial heating unit, our TWPro adaptors, pipes, bends, tees, and accessories offer flexibility and reliability. These components are designed to provide seamless connections, efficient airflow, and dependable support for your chimney system. By choosing our 125mm range, you can ensure proper ventilation, improved draft, and enhanced safety for your property. Trust National Flues for all your chimney flue needs in the UK.

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Experience our unparalleled customer service and support. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.