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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
Single Wall to Twin Wall Adaptor Ø  125
SKU: 2-125-001

Single Wall to Twin Wall Adaptor Ø 125

£20.99 incl VAT

Single Wall to Twin Wall Increaser Ø 125 - Ø 150
SKU: 2-125-002

Single Wall to Twin Wall Increaser Ø 125 - Ø 150

£22.99 incl VAT

Twin Wall to Twin Wall Increaser Ø 125 - Ø 150
SKU: 2-125-004

Twin Wall to Twin Wall Increaser Ø 125 - Ø 150

£63.49 incl VAT

Flat Adaptor to Single Wall Ø  125
SKU: 2-125-005

Flat Adaptor to Single Wall Ø 125

£29.49 incl VAT

Damper Section Ø  125
SKU: 2-125-006

Damper Section Ø 125

£171.49 incl VAT

Flat Increasing Adaptor -  Ø 125 - Ø 150
SKU: 2-125-009

Flat Increasing Adaptor - Ø 125 - Ø 150

£44.99 incl VAT

Pipe 1000mm Ø  125
SKU: 2-125-010

Pipe 1000mm Ø 125

£79.49 incl VAT

Pipe 500mm Ø  125
SKU: 2-125-011

Pipe 500mm Ø 125

£62.49 incl VAT

Pipe 250mm Ø  125
SKU: 2-125-012

Pipe 250mm Ø 125

£35.99 incl VAT

Adjustable Pipe 500-880mm Ø  125
SKU: 2-125-014

Adjustable Pipe 500-880mm Ø 125

£108.49 incl VAT

Adjustable Pipe 350-500mm Ø  125
SKU: 2-125-015

Adjustable Pipe 350-500mm Ø 125

£81.99 incl VAT

Adjustable Pipe 250-350mm Ø  125
SKU: 2-125-016

Adjustable Pipe 250-350mm Ø 125

£66.49 incl VAT

Adjustable Pipe 800-1300mm Ø  125
SKU: 2-125-017

Adjustable Pipe 800-1300mm Ø 125

£140.99 incl VAT

Pipe 100mm Ø  125
SKU: 2-125-018

Pipe 100mm Ø 125

£32.49 incl VAT

Testing Length 500mm Ø  125
SKU: 2-125-019

Testing Length 500mm Ø 125

£75.49 incl VAT

Connecting Pipe Starter Length 1000mm Ø  125
SKU: 2-125-021

Connecting Pipe Starter Length 1000mm Ø 125

£130.99 incl VAT

Connecting Pipe Starter Length 500mm Ø  125
SKU: 2-125-022

Connecting Pipe Starter Length 500mm Ø 125

£83.49 incl VAT

Pipe 500mm DOOR (non-condensing) Ø  125
SKU: 2-125-023

Pipe 500mm DOOR (non-condensing) Ø 125

£132.49 incl VAT

Pipe 800mm Ø  125
SKU: 2-125-024

Pipe 800mm Ø 125

£79.49 incl VAT

TWPro - Adjustable Connecting Pipe 1000mm - 125 Ø
SKU: 2-125-025

TWPro - Adjustable Connecting Pipe 1000mm - 125 Ø

£132.49 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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