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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
MI-FLEX Pot Hanging Cowl (Natural) - Ø 125
SKU: 20-125-PHCM

MI-FLEX Pot Hanging Cowl (Natural) - Ø 125

£64.99 incl VAT

MI-FLEX Support Pot Hanging Cowl (Natural) - Ø 125
SKU: 20-125-PHCM-S

MI-FLEX Support Pot Hanging Cowl (Natural) - Ø 125

£70.99 incl VAT

MI-FLEX Pot Hanging Cowl (Terracotta) - Ø 125
SKU: 20-125-PHCMT

MI-FLEX Pot Hanging Cowl (Terracotta) - Ø 125

£68.49 incl VAT

MI-FLEX Support Pot Hanging Cowl (Terracotta) - Ø 125
SKU: 20-125-PHCMT-S

MI-FLEX Support Pot Hanging Cowl (Terracotta) - Ø 125

£73.99 incl VAT

Pot Hanger - Ø 125
SKU: 20-125-PHS

Pot Hanger - Ø 125

£22.49 incl VAT

Top Insert Sleeve - Ø 125
SKU: 20-125-PS

Top Insert Sleeve - Ø 125

£11.49 incl VAT

Top Insert Sleeve with Rain Cap - Ø 125
SKU: 20-125-PSRC

Top Insert Sleeve with Rain Cap - Ø 125

£30.49 incl VAT

Rain Cap - Ø 125
SKU: 20-125-RC

Rain Cap - Ø 125

£25.49 incl VAT

Register Plate Adaptor - Ø 125
SKU: 20-125-RPA

Register Plate Adaptor - Ø 125

£49.99 incl VAT

Increasing Register Plate Adaptor - Ø 125-Ø 150
SKU: 20-125-RPAI

Increasing Register Plate Adaptor - Ø 125-Ø 150

£68.99 incl VAT

MI-FLEX Square Pot Hanging Cowl (Natural) - Ø 125
SKU: 20-125-SPHCM

MI-FLEX Square Pot Hanging Cowl (Natural) - Ø 125

£68.99 incl VAT

MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 125
SKU: 20-125-SPHCMT

MI-FLEX Square Pot Hanging Cowl (Terracotta) - Ø 125

£73.49 incl VAT

Top Hat Adaptor - Ø 125
SKU: 20-125-THA

Top Hat Adaptor - Ø 125

£56.99 incl VAT

Register Plate Adaptor - Ø 150
SKU: 20-125-THAR

Register Plate Adaptor - Ø 150

£85.49 incl VAT

Screw-FIX Register Plate Adaptor - Ø 125
SKU: 25-125-RPA

Screw-FIX Register Plate Adaptor - Ø 125

£40.99 incl VAT

Screw-FIX Register Plate Increaser - Ø 125-150mm
SKU: 25-125-RPAI

Screw-FIX Register Plate Increaser - Ø 125-150mm

£55.99 incl VAT

London Gather 9 x 12 inch - Ø 125
SKU: 61-125-LG12

London Gather 9 x 12 inch - Ø 125

£78.49 incl VAT

London Gather 9 x 19 inch - Ø 125
SKU: 61-125-LG19

London Gather 9 x 19 inch - Ø 125

£97.99 incl VAT

London Gather 9 x 6 inch - Ø 125
SKU: 61-125-LG6

London Gather 9 x 6 inch - Ø 125

£206.49 incl VAT

London Gather 9 x 9 inch - Ø 125
SKU: 61-125-LG9

London Gather 9 x 9 inch - Ø 125

£78.49 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.