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125MM (5 INCH) Chimney Flue Products - Buy TWPro BLACK Flue Adaptors, Pipes, Elbows & Tees

Upgrade your fireplace system with top-of-the-line 125MM (5 INCH) chimney flue products. Our TWPro BLACK collection offers a variety of essential components such as adaptors, pipes, elbows, tees, supports, and fire stops, ensuring a seamless and efficient installation process. Each product is crafted with durability and functionality in mind, guaranteeing long-term performance and safety for your fireplace setup in the UK.
Upgrade your fireplace system with top-of-the-line 125MM (5 INCH) chimney flue products. Our TWPro BLACK collection offers a variety of essential components such as adaptors, pipes, elbows, tees, supports, and fire stops, ensuring a seamless and efficient installation process. Each product is crafted with durability and functionality in mind, guaranteeing long-term performance and safety for your fireplace setup in the UK.


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Call our TWPro advisers on 01670 206 999 if you need any helping with your system design.

£2.54 £6,070.99
Showing 20 of 116 items
TWPro MB - Single Wall to Twin Wall Adaptor - Ø  125

TWPro MB - Single Wall to Twin Wall Adaptor - Ø 125

37-125-001
£23.99 (including VAT)
In stock
TWPro MB - Single Wall to Twin Wall Increaser - Ø  125-150mm

TWPro MB - Single Wall to Twin Wall Increaser - Ø 125-150mm

37-125-002
£25.99 (including VAT)
In stock
TWPro MB - Twin Wall to Twin Wall Increaser - Ø  125-150mm

TWPro MB - Twin Wall to Twin Wall Increaser - Ø 125-150mm

37-125-004
£66.99 (including VAT)
In stock
TWPro MB - Flat Adaptor - Ø  125

TWPro MB - Flat Adaptor - Ø 125

37-125-005
£33.99 (including VAT)
In stock
TWPro MB - Damper Section - Ø  125

TWPro MB - Damper Section - Ø 125

37-125-006
£162.99 (including VAT)
In stock
TWPro MB - Flat Increasing Adaptor - Ø  125-150mm

TWPro MB - Flat Increasing Adaptor - Ø 125-150mm

37-125-009
£55.99 (including VAT)
In stock
TWPro MB - Pipe 1000mm - Ø  125

TWPro MB - Pipe 1000mm - Ø 125

37-125-010
£83.99 (including VAT)
In stock
PALLET (24) - TWPro MB - Pipe 1000mm - Ø  125

PALLET (24) - TWPro MB - Pipe 1000mm - Ø 125

37-125-010-24
£2,617.99 (including VAT)
In stock
TWPro MB - Pipe 500mm - Ø  125

TWPro MB - Pipe 500mm - Ø 125

37-125-011
£65.99 (including VAT)
In stock
PALLET (48) - TWPro MB - Pipe 500mm - Ø  125

PALLET (48) - TWPro MB - Pipe 500mm - Ø 125

37-125-011-48
£4,097.99 (including VAT)
In stock
TWPro MB - Pipe 250mm - Ø  125

TWPro MB - Pipe 250mm - Ø 125

37-125-012
£37.99 (including VAT)
In stock
TWPro MB - Adjustable Pipe 500-880mm - Ø  125

TWPro MB - Adjustable Pipe 500-880mm - Ø 125

37-125-014
£114.99 (including VAT)
In stock
PALLET (24) - TWPro MB - Adjustable Pipe 500-880mm - Ø  125

PALLET (24) - TWPro MB - Adjustable Pipe 500-880mm - Ø 125

37-125-014-24
£3,572.99 (including VAT)
In stock
TWPro MB - Adjustable Pipe 350-500mm - Ø  125

TWPro MB - Adjustable Pipe 350-500mm - Ø 125

37-125-015
£86.99 (including VAT)
In stock
TWPro MB - Adjustable Pipe 250-350mm - Ø  125

TWPro MB - Adjustable Pipe 250-350mm - Ø 125

37-125-016
£69.99 (including VAT)
In stock
TWPro MB - Pipe 100mm - Ø  125

TWPro MB - Pipe 100mm - Ø 125

37-125-018
£33.99 (including VAT)
In stock
TWPro MB - Testing Length 500mm - Ø  125

TWPro MB - Testing Length 500mm - Ø 125

37-125-019
£79.99 (including VAT)
In stock
TWPro MB - Connecting Pipe Starter Length 1000mm - Ø  125

TWPro MB - Connecting Pipe Starter Length 1000mm - Ø 125

37-125-021
£149.99 (including VAT)
In stock
TWPro MB - Connecting Pipe Starter Length 500mm - Ø  125

TWPro MB - Connecting Pipe Starter Length 500mm - Ø 125

37-125-022
£103.99 (including VAT)
In stock
TWPro MB - Pipe 500mm Door (Non-condensing) - Ø  125

TWPro MB - Pipe 500mm Door (Non-condensing) - Ø 125

37-125-023
£139.99 (including VAT)
In stock
Your 125MM (5 INCH) Questions Answered

What are the advantages of using 125MM (5 INCH) chimney flue products? -

125MM (5 INCH) chimney flue products offer enhanced efficiency, durability, and safety for your fireplace system in the UK. These components ensure proper ventilation, optimal airflow, and secure connection points, resulting in improved overall performance.

Are TWPro BLACK products suitable for all types of fireplaces? +

How do I choose the right chimney flue components for my installation? +

Can I use 125MM (5 INCH) chimney flue products for outdoor fireplaces? +

How do I maintain and clean my chimney flue system? +

Do TWPro BLACK products come with warranties or guarantees? +

Can I install chimney flue components myself, or should I seek professional help? +

Are there regulations to consider when installing chimney flue systems in the UK? +

When it comes to enhancing your fireplace's performance, having the right chimney flue products is crucial. Our 125MM (5 INCH) category provides a comprehensive selection of TWPro BLACK items, including flat adaptors, increasing adaptors, twin wall increasers, single wall adaptors, various pipes of different lengths, bends, tees, brackets, supports, firestop kits, and finishing plates. These components are meticulously designed to ensure optimal compatibility and effectiveness, catering to a wide range of fireplace installation needs. With our premium quality products, you can create a reliable and safe flue system that maximises the efficiency of your fireplace.
Why Buy 125MM (5 INCH) Products
The 125MM (5 INCH) chimney flue products are ideal for both residential and commercial fireplace installations in the UK. Whether you are renovating an existing fireplace or constructing a new one, these TWPro BLACK components offer the versatility and quality needed to achieve a professional and functional flue system. From connecting pipes to fire stops and terminal accessories, our range of products caters to various flue design requirements, ensuring a seamless and efficient installation process. By incorporating these high-quality chimney flue items, you can enhance the overall performance and safety of your fireplace setup.

Trusted By Trade Professionals

Our 125MM (5 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 125MM (5 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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