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125MM (5 INCH) Chimney Flue Products - UK | National Flues

Discover the extensive selection of 125mm (5 inch) chimney flue products at National Flues. Our high-quality range includes adaptors, pipes, bends, tees, supports, firestops, flashings, terminals, and accessories to cater to all your flue system needs. Whether you are installing a new fireplace or upgrading an existing system, our 125mm products are designed to ensure efficient and safe ventilation for your home.
Discover the extensive selection of 125mm (5 inch) chimney flue products at National Flues. Our high-quality range includes adaptors, pipes, bends, tees, supports, firestops, flashings, terminals, and accessories to cater to all your flue system needs. Whether you are installing a new fireplace or upgrading an existing system, our 125mm products are designed to ensure efficient and safe ventilation for your home.


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Showing 20 of 72 items
Sflue (2119405) - Adaptor - 127mm Ø

Sflue (2119405) - Adaptor - 127mm Ø

22-125-001
£34.99 (including VAT)
In stock
Sflue (2119706) - Increaser SW to TLPro 127mm-152mm  Ø

Sflue (2119706) - Increaser SW to TLPro 127mm-152mm Ø

22-125-002
£82.99 (including VAT)
In stock
Sflue (2119505) - Adaptor to Cast Iron Pipe - 127mm Ø

Sflue (2119505) - Adaptor to Cast Iron Pipe - 127mm Ø

22-125-003
£37.99 (including VAT)
In stock
Sflue (2140805) - Pipe 1200mm - 127mm Ø

Sflue (2140805) - Pipe 1200mm - 127mm Ø

22-125-009
£179.99 (including VAT)
In stock
Sflue (2140905) - Pipe 1000mm - 127mm Ø

Sflue (2140905) - Pipe 1000mm - 127mm Ø

22-125-010
£110.99 (including VAT)
In stock
Sflue (2141005) - Pipe 500mm - 127mm Ø

Sflue (2141005) - Pipe 500mm - 127mm Ø

22-125-011
£73.99 (including VAT)
In stock
Sflue (2141105) - Pipe 300mm - 127mm Ø

Sflue (2141105) - Pipe 300mm - 127mm Ø

22-125-012
£57.99 (including VAT)
In stock
Sflue (2110605) - Pipe 120mm - 127mm Ø

Sflue (2110605) - Pipe 120mm - 127mm Ø

22-125-013
£41.99 (including VAT)
In stock
Sflue (2141405) - Adjustable Pipe 500-850mm - 127mm Ø

Sflue (2141405) - Adjustable Pipe 500-850mm - 127mm Ø

22-125-014
£224.99 (including VAT)
In stock
Sflue (2141205) - Adjustable Pipe 350-530mm - 127mm Ø

Sflue (2141205) - Adjustable Pipe 350-530mm - 127mm Ø

22-125-015
£180.99 (including VAT)
In stock
Sflue (2144005) - Adjustable Pipe 200-325mm - 127mm Ø

Sflue (2144005) - Adjustable Pipe 200-325mm - 127mm Ø

22-125-016
£121.99 (including VAT)
In stock
Sflue (2141805) - Inspection Length - 127mm Ø

Sflue (2141805) - Inspection Length - 127mm Ø

22-125-019
£281.99 (including VAT)
In stock
Sflue (2143005) - Slip Section Adj Pipe - 127mm Ø

Sflue (2143005) - Slip Section Adj Pipe - 127mm Ø

22-125-020
£141.99 (including VAT)
In stock
Sflue (2108305) - Slip Section Adj Clamp Band - 127mm Ø

Sflue (2108305) - Slip Section Adj Clamp Band - 127mm Ø

22-125-021
£23.99 (including VAT)
In stock
Sflue (2145305) - 90° Bend - 127mm Ø

Sflue (2145305) - 90° Bend - 127mm Ø

22-125-030
£183.99 (including VAT)
In stock
Sflue (2132205) - 45° Bend - 127mm Ø

Sflue (2132205) - 45° Bend - 127mm Ø

22-125-031
£90.99 (including VAT)
In stock
Sflue (2132305) - 30° Bend - 127mm Ø

Sflue (2132305) - 30° Bend - 127mm Ø

22-125-032
£90.99 (including VAT)
In stock
Sflue (2131405) - 15° Bend - 127mm Ø

Sflue (2131405) - 15° Bend - 127mm Ø

22-125-033
£90.99 (including VAT)
In stock
Sflue (2141305) - 135° Tee - 127mm Ø

Sflue (2141305) - 135° Tee - 127mm Ø

22-125-034
£231.99 (including VAT)
In stock
Sflue (2114305) - 90° Tee - 127mm Ø

Sflue (2114305) - 90° Tee - 127mm Ø

22-125-035
£193.99 (including VAT)
In stock
Your 125MM (5 INCH) Questions Answered

What are the primary components of a 125mm (5 inch) chimney flue system? -

A typical 125mm chimney flue system consists of adaptors, pipes, bends, tees, supports, firestops, flashings, terminals, and various accessories like storm collars and rain caps.

Are 125mm (5 inch) chimney flue products suitable for both residential and commercial installations? +

Do I need professional help to install a 125mm (5 inch) chimney flue system? +

Can I combine different brands of 125mm (5 inch) chimney flue products? +

How do I know which 125mm (5 inch) chimney flue products are suitable for my appliance? +

Are 125mm (5 inch) chimney flue products durable and long-lasting? +

Do I need to regularly maintain my 125mm (5 inch) chimney flue system? +

At National Flues, we pride ourselves on offering top-notch 125mm (5 inch) chimney flue products that meet industry standards while providing durability and reliability. Our range covers everything from adaptors for seamless connections to various pipe lengths, bends for navigating corners, and essential accessories like firestops and flashings. You can trust our products for their high-performance and ease of installation, making them ideal for both residential and commercial applications. With National Flues, you can rest assured that your flue system is in good hands.
Why Buy 125MM (5 INCH) Products
Our 125mm (5 inch) chimney flue products are versatile and can be used in a wide range of applications, including wood-burning stoves, gas fires, and solid fuel heaters. These products are essential for safely directing smoke and gases out of your property, ensuring proper ventilation and compliance with building regulations. Whether you are a homeowner looking to upgrade your fireplace or a professional installer in need of reliable flue components, National Flues has the solutions you need to complete your project with confidence.

Trusted By Trade Professionals

Our 125MM (5 INCH) 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 when you buy 125MM (5 INCH) from National Flues. Our team is here to assist you every step of the way, ensuring your needs are met with expertise and care.

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