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125MM (5 INCH) Flue Systems for Efficient Fireplace Ventilation | National Flues

Discover the benefits of 125mm (5 inch) flue systems for optimal fireplace functionality. At National Flues, we offer a comprehensive selection of MI-Flex fixings, terminals, top & bottom fixings, and essential accessories. Our high-quality products ensure efficient ventilation and safety for your fireplace, enhancing the overall heating experience in your home.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Terminals
Terminals
Top Fixings
Top Fixings
Bottom Fixings
Bottom Fixings
Accessories
Accessories
Gathers
Gathers
Jubilee Clip and Banding Ø 200 - 800mm length
SKU: 13-JUBILEE-200

Jubilee Clip and Banding Ø 200 - 800mm length

£3.99 incl VAT

Jubilee Clip and Banding Ø 300 - 1000mm length
SKU: 13-JUBILEE-300

Jubilee Clip and Banding Ø 300 - 1000mm length

£4.49 incl VAT

Increasing MI-FLEX Adaptor - Ø 100-Ø 125
SKU: 20-100-MR

Increasing MI-FLEX Adaptor - Ø 100-Ø 125

£20.49 incl VAT

Top Clamp - Ø 125
SKU: 20-125-C

Top Clamp - Ø 125

£9.99 incl VAT

Gather Hood (300x300) - Ø 125
SKU: 20-125-GHM

Gather Hood (300x300) - Ø 125

£122.99 incl VAT

Gather Hood Small (300x200) - Ø 125
SKU: 20-125-GHS

Gather Hood Small (300x200) - Ø 125

£113.99 incl VAT

Joiner - Ø 125
SKU: 20-125-J

Joiner - Ø 125

£21.49 incl VAT

MI-FLEX Adaptor - Ø 125
SKU: 20-125-MAE

MI-FLEX Adaptor - Ø 125

£18.99 incl VAT

MI-FLEX Adaptor 1mm - Ø 125
SKU: 20-125-MAE1

MI-FLEX Adaptor 1mm - Ø 125

£29.99 incl VAT

Long Tail MI-FLEX Adaptor - Ø 125
SKU: 20-125-MAELT

Long Tail MI-FLEX Adaptor - Ø 125

£24.49 incl VAT

Mini Pot Hanging Cowl 1mm (Natural) - Ø 125
SKU: 20-125-MINIPH1

Mini Pot Hanging Cowl 1mm (Natural) - Ø 125

£119.99 incl VAT

Mini Pot Hanging Cowl 1mm (Painted) - Ø 125
SKU: 20-125-MINIPHT1

Mini Pot Hanging Cowl 1mm (Painted) - Ø 125

£127.49 incl VAT

Increasing MI-FLEX Adaptor - Ø 125-Ø 150
SKU: 20-125-MR

Increasing MI-FLEX Adaptor - Ø 125-Ø 150

£21.99 incl VAT

Increasing MI-FLEX Adaptor 1mm - Ø 125-Ø 150
SKU: 20-125-MR1

Increasing MI-FLEX Adaptor 1mm - Ø 125-Ø 150

£42.49 incl VAT

Increasing MI-FLEX Adaptor - Ø 125-Ø 175
SKU: 20-125-MRD

Increasing MI-FLEX Adaptor - Ø 125-Ø 175

£66.49 incl VAT

Long Tail Increasing MI-FLEX Adaptor - Ø 125-Ø 150
SKU: 20-125-MRLT

Long Tail Increasing MI-FLEX Adaptor - Ø 125-Ø 150

£37.99 incl VAT

Nose Cone - Ø 125
SKU: 20-125-NC

Nose Cone - Ø 125

£5.49 incl VAT

Top Plate - Ø 125
SKU: 20-125-P

Top Plate - Ø 125

£10.99 incl VAT

Pot Hanger with AD Cowl - Ø 125
SKU: 20-125-PHAD

Pot Hanger with AD Cowl - Ø 125

£97.99 incl VAT

Pot Hanger with AD Cowl (Terracotta) - Ø 125
SKU: 20-125-PHADT

Pot Hanger with AD Cowl (Terracotta) - Ø 125

£97.99 incl VAT

Your Questions Answered

What are the benefits of a 125mm (5 inch) flue system? -

A 125mm flue system ensures proper ventilation, reducing the risk of smoke buildup and improving the efficiency of your fireplace.

Are MI-Flex fixings compatible with other flue components? +

How do I know if a 125mm (5 inch) flue system is the right size for my fireplace? +

Can I use 125mm (5 inch) flue systems for both gas and solid fuel appliances? +

Do I need professional installation for 125mm (5 inch) flue systems? +

How often should I inspect and maintain my 125mm flue system? +

Are 125mm (5 inch) flue systems environmentally friendly? +

When it comes to keeping your fireplace operating smoothly, investing in a reliable 125mm (5 inch) flue system is crucial. Our range of MI-Flex fixings and accessories are crafted with precision to provide durability and performance. Whether you need top fixings, bottom fixings, or terminals, National Flues has you covered. Designed to withstand high temperatures and harsh conditions, our products ensure optimal airflow and reduce the risk of blockages or malfunctions. Upgrade your fireplace with our 125mm (5 inch) solutions for long-lasting, efficient ventilation.
Why Buy These Products
125mm (5 inch) flue systems are ideal for both residential and commercial fireplace applications. By choosing our MI-Flex fixings and accessories, you can ensure proper ventilation and smoke extraction, creating a safe and comfortable environment. These systems are suitable for various types of fuel-burning appliances, including wood burners, gas fires, and stoves. With easy installation and maintenance, our 125mm products provide a hassle-free solution for enhancing your fireplace performance.

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Our 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. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.