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125mm (5 Inch) Flue Liner - MI-Flex Gas FLEX - Installation Packs & Accessories

Upgrade your fireplace with the 125mm (5 inch) flue liner collection from MI-Flex Gas FLEX. Whether you need a complete installation pack, fixings, terminals, or accessories, we've got you covered. Our products are designed for efficiency, durability, and easy installation, ensuring a safe and reliable flue system for 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
Flue Liner
Flue Liner
Installation Packs
Installation Packs
Fixings
Fixings
Terminals
Terminals
Accessories
Accessories
Flue Boxes
Flue Boxes
Register Plates
Register Plates
Nose Cone - Ø 125
SKU: 20-125-NC

Nose Cone - Ø 125

£5.49 incl VAT

Triplelock - Flue Adaptor - Ø 125
SKU: 34-125-A

Triplelock - Flue Adaptor - Ø 125

£17.99 incl VAT

Triplelock - Adaptor, Screw-Fix - Ø 125
SKU: 34-125-ASF

Triplelock - Adaptor, Screw-Fix - Ø 125

£15.99 incl VAT

Triplelock - GC1 Gas Terminal - Ø 125
SKU: 34-125-C

Triplelock - GC1 Gas Terminal - Ø 125

£7.99 incl VAT

Triplelock - Flue Bug - Ø 125
SKU: 34-125-FB

Triplelock - Flue Bug - Ø 125

£24.99 incl VAT

Triplelock - Oil Cowl, Chinamans Hat - Ø 125
SKU: 34-125-O

Triplelock - Oil Cowl, Chinamans Hat - Ø 125

£23.49 incl VAT

Triplelock - Clamp Plate (2 pc.) - Ø 125
SKU: 34-125-P

Triplelock - Clamp Plate (2 pc.) - Ø 125

£3.99 incl VAT

Triplelock - Installer Pack B (Clamp, GC1) - Ø 125
SKU: 34-125-PB

Triplelock - Installer Pack B (Clamp, GC1) - Ø 125

£11.49 incl VAT

Triplelock - Installer Pack C (Clamp, GC1, Nose Cone) - Ø 125
SKU: 34-125-PC

Triplelock - Installer Pack C (Clamp, GC1, Nose Cone) - Ø 125

£16.49 incl VAT

Triplelock - Pot Hanging Cowl, Terracotta - Ø 125
SKU: 34-125-PHCMT

Triplelock - Pot Hanging Cowl, Terracotta - Ø 125

£40.99 incl VAT

125mm (5 inch) Flue Liner 316L for Gas and Oil (316L Grade)
SKU: 4Z-125-1

125mm (5 inch) Flue Liner 316L for Gas and Oil (316L Grade)

£10.99 incl VAT

125mm (5 inch) Flue Liner 316L for Gas and Oil 44m Coil
SKU: 4Z-125-44

125mm (5 inch) Flue Liner 316L for Gas and Oil 44m Coil

£467.99 incl VAT

125mm (5 inch) ILFE Flue Box Flue Box
SKU: 8-ILFE

125mm (5 inch) ILFE Flue Box Flue Box

£201.49 incl VAT

125mm (5 inch) Standard Flue Box Flue Box
SKU: 8-SFB

125mm (5 inch) Standard Flue Box Flue Box

£119.49 incl VAT

125mm (5 inch) Sheffield Pattern Flue Box
SKU: 8-SHEF

125mm (5 inch) Sheffield Pattern Flue Box

£104.99 incl VAT

125mm (5 inch) VISA Flue Gas Collector Flue Box
SKU: 8-VISA-SF

125mm (5 inch) VISA Flue Gas Collector Flue Box

£74.49 incl VAT

125mm (5 inch) VMF Flue Box SS Flue Box
SKU: 8-VMFS

125mm (5 inch) VMF Flue Box SS Flue Box

£78.49 incl VAT

Debris Collar with Jubilee Connector - Ø 125
SKU: 94-COLLAR-J-125

Debris Collar with Jubilee Connector - Ø 125

£13.99 incl VAT

Register Plate (F) - 900x495, no access hole - Ø 125 & 150
SKU: 94-REG-F

Register Plate (F) - 900x495, no access hole - Ø 125 & 150

£29.99 incl VAT

Register Plate (G) - 900x495, 2 access hole - Ø 125 & 150
SKU: 94-REG-G

Register Plate (G) - 900x495, 2 access hole - Ø 125 & 150

£54.49 incl VAT

Your Questions Answered

What are the advantages of using a 125mm (5 inch) flue liner? -

A 125mm (5 inch) flue liner improves the draft, enhances appliance efficiency, and provides better protection for the chimney structure.

Is the 316L grade stainless steel flue liner suitable for gas and oil applications? +

Do you offer installation assistance for your flue liners? +

Can I use your flue liners for a wood-burning fireplace? +

Do you provide custom lengths for flue liners? +

Are your flue liners compliant with building regulations? +

How do I maintain and clean a 125mm (5 inch) flue liner? +

Can I use your flue liners for a multi-fuel stove? +

The 125mm (5 inch) flue liners by MI-Flex Gas FLEX offer superior quality and performance for gas and oil applications. Constructed from 316L grade stainless steel, these liners provide excellent corrosion resistance and longevity. Choose from individual liners or economical 44m coil options to suit your specific requirements. Our installation packs come with all the necessary components for a successful setup, while our range of fixings, terminals, accessories, flue boxes, and register plates offer complete customization possibilities for your flue system.
Why Buy These Products
The 125mm (5 inch) flue liner is ideal for residential and commercial gas and oil heating systems. It is suitable for both new installations and upgrades, ensuring proper venting and compliance with building regulations. Our products cater to a range of appliances, including boilers, stoves, and more. The versatility and durability of our flue liners make them a popular choice among installers and homeowners looking to enhance the safety and efficiency of their heating setups.

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.