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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
Push Fit Chest Mounting Plate - 125 Ø
SKU: 2-125-064

Push Fit Chest Mounting Plate - 125 Ø

£77.49 incl VAT

Firestop Plate Ø  125
SKU: 2-125-070

Firestop Plate Ø 125

£48.99 incl VAT

Ventilated Firestop Plate (WHITE) Ø  125
SKU: 2-125-073

Ventilated Firestop Plate (WHITE) Ø 125

£39.49 incl VAT

Ventilated Firestop Support Kit (WHITE) - Ø  125
SKU: 2-125-077

Ventilated Firestop Support Kit (WHITE) - Ø 125

£98.49 incl VAT

Rain Cap Ø  125
SKU: 2-125-090

Rain Cap Ø 125

£47.99 incl VAT

Anti-wind Cowl Ø  125
SKU: 2-125-091

Anti-wind Cowl Ø 125

£63.99 incl VAT

Gas Cowl Ø  125
SKU: 2-125-092

Gas Cowl Ø 125

£67.49 incl VAT

Cone Top Cowl Ø  125
SKU: 2-125-093

Cone Top Cowl Ø 125

£50.49 incl VAT

Rotating Cowl Ø  125
SKU: 2-125-094

Rotating Cowl Ø 125

£191.49 incl VAT

Twin Wall to Flex Adaptor Ø  125
SKU: 2-125-099

Twin Wall to Flex Adaptor Ø 125

£51.99 incl VAT

Flex to Twin Wall Adaptor Ø  125
SKU: 2-125-101

Flex to Twin Wall Adaptor Ø 125

£49.49 incl VAT

H-Cowl Ø  125
SKU: 2-125-103

H-Cowl Ø 125

£92.99 incl VAT

Insulation Cover Plate Ø  125
SKU: 2-125-104

Insulation Cover Plate Ø 125

£18.99 incl VAT

TWPro - MI AD-Cowl - Ø  125
SKU: 2-125-105

TWPro - MI AD-Cowl - Ø 125

£108.99 incl VAT

Rain Cap with Mesh Ø  125
SKU: 2-125-112

Rain Cap with Mesh Ø 125

£54.49 incl VAT

TWPro - Adjustable Connecting Pipe Replacement Cover Band - 125 Ø
SKU: 2-125-113

TWPro - Adjustable Connecting Pipe Replacement Cover Band - 125 Ø

£33.99 incl VAT

TWPro to KC Transition Locking Band - 125 Ø
SKU: 2-125-150

TWPro to KC Transition Locking Band - 125 Ø

£23.49 incl VAT

KC to TWPro Transition Adaptor - 125 Ø
SKU: 2-125-151

KC to TWPro Transition Adaptor - 125 Ø

£59.49 incl VAT

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm
SKU: 32-125-TWLRG35

Lead Slate, Pitch 25°-35°, suitable for TW Ø 125mm

£95.49 incl VAT

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm
SKU: 32-125-TWLRG45

Lead Slate, Pitch 36°-45°, suitable for TW Ø 125mm

£100.99 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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