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Gas FLEX Fixings for Efficient and Safe Fireplace Installations | National Flues

Gas FLEX Fixings are essential components for installing gas fireplaces securely and efficiently. At National Flues, we offer a wide range of fixings, terminals, accessories, and installation packs in sizes ranging from 80mm to 300mm. Our MI-Flex products ensure a reliable connection and proper function of gas flues, providing peace of mind for homeowners and installers alike.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
80MM (3 INCH)
80MM (3 INCH)
100MM (4 INCH)
100MM (4 INCH)
125MM (5 INCH)
125MM (5 INCH)
150MM (6 INCH)
150MM (6 INCH)
175MM (7 INCH)
175MM (7 INCH)
200MM (8 INCH)
200MM (8 INCH)
250MM (10 INCH)
250MM (10 INCH)
300MM (12 INCH)
300MM (12 INCH)
Triplelock - Short Gas Terminal - Ø 175
SKU: 34-180-C

Triplelock - Short Gas Terminal - Ø 175

£66.49 incl VAT

Triplelock - Clamp Plate - Ø 175
SKU: 34-180-P

Triplelock - Clamp Plate - Ø 175

£23.99 incl VAT

Triplelock - Short Gas Terminal - Ø 200
SKU: 34-200-C

Triplelock - Short Gas Terminal - Ø 200

£67.99 incl VAT

Triplelock - Clamp Plate (2 pc.) - Ø 200
SKU: 34-200-P

Triplelock - Clamp Plate (2 pc.) - Ø 200

£19.49 incl VAT

Triplelock - Flue Adaptor - Ø 250
SKU: 34-250-A

Triplelock - Flue Adaptor - Ø 250

£25.49 incl VAT

Triplelock - Short Gas Terminal - Ø 250
SKU: 34-250-C

Triplelock - Short Gas Terminal - Ø 250

£104.49 incl VAT

Triplelock - Short Gas Terminal - Ø 225
SKU: 34-300-C

Triplelock - Short Gas Terminal - Ø 225

£116.49 incl VAT

Triplelock - Adaptor, Screw-Fix - Ø 80
SKU: 34-80-ASF

Triplelock - Adaptor, Screw-Fix - Ø 80

£15.49 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 Nut and Bolt - Ø 175
SKU: 94-COLLAR-175

Debris Collar with Nut and Bolt - Ø 175

£23.99 incl VAT

Debris Collar with Nut and Bolt - Ø 200
SKU: 94-COLLAR-200

Debris Collar with Nut and Bolt - Ø 200

£25.99 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

Register Plate (H) - 900x600, no access holes
SKU: 94-REG-H

Register Plate (H) - 900x600, no access holes

£49.99 incl VAT

Triplelock - Cast Aluminium Terminal - Ø 125
SKU: 34-125-CT

Triplelock - Cast Aluminium Terminal - Ø 125

OUT OF STOCK

£51.49 incl VAT

Your Questions Answered

What sizes are available in the Gas FLEX Fixings category? -

Our Gas FLEX Fixings category offers sizes ranging from 80mm (3 inch) to 300mm (12 inch) to accommodate a variety of flue dimensions.

Are the Gas FLEX Fixings easy to install? +

Do you provide installation guides for the Gas FLEX Fixings? +

Are the Gas FLEX Fixings suitable for all types of gas fireplaces? +

Can the Gas FLEX Fixings withstand high temperatures? +

Do you offer customization options for the Gas FLEX Fixings? +

Are Gas FLEX Fixings essential for fireplace safety? +

Gas FLEX Fixings play a crucial role in ensuring the safety and performance of gas fireplaces. National Flues' Gas FLEX Fixings category provides everything you need for a complete installation. From top plates to clamps, adaptors to terminals, we have a comprehensive selection to cater to different flue sizes and installation requirements. Our products are manufactured to high standards, guaranteeing durability and reliability. Whether you're a professional installer or a homeowner embarking on a DIY project, our Gas FLEX Fixings are designed to make your installation process smooth and worry-free.
Why Buy These Products
Gas FLEX Fixings are used in the installation of gas fireplaces to securely connect and support flue systems. Our range of fixings accommodates various flue sizes to ensure compatibility with different fireplace models. These fixings help create a tight seal and prevent leakages, contributing to the overall safety and efficiency of the fireplace setup. By using Gas FLEX Fixings from National Flues, installers and homeowners can have confidence in the structural integrity of the flue system, facilitating smoother and trouble-free fireplace operation.

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.