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125MM (5 INCH) Flue Liners & Install Kits - MI-Flex, 904L Mi-FLEX

Discover top-tier 125mm (5 inch) flue products including MI-Flex and 904L Mi-FLEX solutions for your fireplace. Ensure a secure and efficient installation with our superior flue liners, fixings, terminals, insulation, and more.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
Flue Liner
Flue Liner
Reg Plates
Reg Plates
Install Kits
Install Kits
1mm Fixings
1mm Fixings
Bottom Fixings
Bottom Fixings
Terminals
Terminals
Top Fixings
Top Fixings
Accessories
Accessories
Gathers
Gathers
Insulation
Insulation
Pack 503 - (125mm, PHCM/N/CNP/MAE)
SKU: 20-125-P503

Pack 503 - (125mm, PHCM/N/CNP/MAE)

£72.49 incl VAT

Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR)
SKU: 20-125-P504

Pack 504 - (125mm, P/C/PS/N/CNP/20-100-MR)

£47.49 incl VAT

Pack 505 - (125mm, P/C/N/CNP/20-100-MR/RC)
SKU: 20-125-P505

Pack 505 - (125mm, P/C/N/CNP/20-100-MR/RC)

£64.49 incl VAT

Pack 506 - (125mm, PHCM/N/CNP/20-100-MR)
SKU: 20-125-P506

Pack 506 - (125mm, PHCM/N/CNP/20-100-MR)

£75.99 incl VAT

Pack 507 - (125mm, PHCMT/N/CNP/MAE)
SKU: 20-125-P507

Pack 507 - (125mm, PHCMT/N/CNP/MAE)

£77.99 incl VAT

Pack 508 - (125mm, PHCMT/N/CNP/20-100-MR)
SKU: 20-125-P508

Pack 508 - (125mm, PHCMT/N/CNP/20-100-MR)

£81.49 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

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

Your Questions Answered

What is the difference between MI-Flex and 904L Mi-FLEX? -

MI-Flex is known for its flexibility and ease of installation, while 904L Mi-FLEX offers enhanced corrosion resistance and durability for long-term use in fireplace flues.

Do I need any special tools to install 125mm (5 inch) flue liners? +

Can I use 125mm flue liners for a wood-burning stove? +

How often should I clean my 125mm flue liner? +

Are there any safety precautions I should take when installing 125mm flue liners? +

In the realm of fireplace flues, the 125mm (5 inch) category stands out with its versatile options. MI-Flex and 904L Mi-FLEX products offer durability and reliability in flue liner installations. Whether you need a coil or cut length, our 125mm solutions provide top-notch quality and performance. Pair these with our installation kits, fixings, and insulation for a complete fireplace flue setup. With our range of products, you can trust in a seamless installation that enhances both safety and efficiency for your fireplace.
Why Buy These Products
The 125mm (5 inch) flue products cater to a range of fireplace setups, from standard residential fireplaces to more customized designs. Whether you're a homeowner or a professional installer, these flue liners and accessories offer the flexibility and quality needed for various installation requirements. Use them to ensure proper venting, maintain optimal airflow, and increase the overall efficiency of your fireplace. Trust in the durability of MI-Flex and 904L Mi-FLEX products to deliver long-lasting performance in your fireplace flue system.

Trusted By Trade Professionals

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.