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Top-Quality Flue Boxes for Your Cozy Fireplace in the UK - Buy Now!

Flue boxes are essential components for a functional fireplace setup, ensuring proper ventilation and safe exhaust management. At MI-Flex, Gas FLEX Fixings, we offer top-of-the-line 125mm (5 inch) flue boxes designed for optimal performance and durability. Our flue boxes are crafted using premium materials and precision engineering to guarantee long-lasting reliability and efficient functionality, making them a must-have for any fireplace installation in the UK.

 

MI-FlexMI-Flex
Chimney FlueChimney Flue
Connecting PipesConnecting Pipes
Fans Flashings CowlsFans Flashings Cowls
Installation PartsInstallation Parts
After Care PartsAfter Care Parts
StovesStoves
FireplacesFireplaces
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

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

125mm (5 inch) Flue Gas Collector Flue Box

OUT OF STOCK

£81.99 incl VAT

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

125mm (5 inch) Recessed Flue Box Flue Box

OUT OF STOCK

£131.49 incl VAT

Your Questions Answered

What are flue boxes? -

Flue boxes are specially designed components that connect the flue pipe to the chimney, facilitating the safe discharge of combustion byproducts from your fireplace.

Why are flue boxes important for fireplace safety? +

How do I know which flue box size is right for my fireplace? +

Can I install a flue box myself? +

Are MI-Flex flue boxes compatible with all chimney types? +

How often should flue boxes be inspected and maintained? +

What materials are MI-Flex flue boxes made of? +

Can flue boxes improve the efficiency of my fireplace? +

Flue boxes play a crucial role in maintaining the safety and performance of your fireplace system. Our 125mm (5 inch) flue boxes are specifically engineered to fit seamlessly into your flue system, providing a secure connection between the flue pipe and the chimney. With a focus on quality and durability, our flue boxes are built to withstand high temperatures and harsh weather conditions, ensuring consistent performance year after year. Whether you're renovating an existing fireplace or installing a new one, our flue boxes are the perfect choice for UK homeowners looking for reliable ventilation solutions.
Why Buy These Products
Flue boxes are indispensable for facilitating proper airflow and exhaust dispersion in your fireplace setup. By installing a high-quality flue box, you can ensure that harmful gases are safely vented outside your home, promoting indoor air quality and reducing the risk of carbon monoxide buildup. Additionally, flue boxes help maintain the efficiency of your fireplace by optimizing combustion and reducing heat loss. Whether you have a traditional open fireplace or a modern wood-burning stove, flue boxes are essential components that contribute to the overall performance and safety of your heating system in the UK.

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