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LONG 135° Tee Ø 125 (2-125-044)

The LONG 135° Tee Ø 125 from National Flues is the ultimate solution for achieving superior cleaning access in chimney installations. Crafted with premium 316L and 304 stainless steel, this connector is engineered for use in solid fuel, gas, and oil appliance setups. Read more...
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At a Glance

  • Premium dual stainless steel construction (inner 316L & outer 304, both 0.40mm thick)
  • Designed for optimal cleaning access in chimney systems
  • Versatile for solid fuel, gas, oil, and coal effect applications
  • Fully welded structure ensuring durability and safety
  • Complies with HETAS and CE standards with a safe 50mm clearance from combustibles

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.

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Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

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Have Questions?
Phone: 01670 206999
Email: sales@nationalflues.com

The LONG 135° Tee Ø 125 is engineered to offer a reliable cleaning access at the base of your chimney system. Ideal for woodstoves, gas coal effect fires, oil and gas boilers, and other solid fuel appliances. Constructed with an inner skin made from 316-grade stainless steel and an outer skin of 304-grade stainless steel, each at 0.4mm thick, this tee is both robust and efficient.

It features compressed rockwool insulation with a density of 200kg/m3 and is fully welded, ensuring durability and safety with a minimum distance of 50mm from any combustibles. HETAS Approved and CE marked, it boasts designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, underlining its top-notch credentials.

SKU: 2-125-044

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Monday, November 17th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
SKU2-125-044
DesignationEN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 W V2 L50040 O20
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool (200kg/m3)
ApprovalsHETAS / CE
Clearance50mm from combustibles
ApplicationsWoodstoves, gas boilers, oil boilers, and solid fuel appliances
Installation of the LONG 135° Tee Ø 125 is straightforward when following the TWPro system guidelines. Secure the tee component to adjacent flue parts using a Locking Band and ensure that a minimum clearance of 50mm is maintained from any combustible material. Always check that the installation adheres to local regulations and safety standards. For best results and safety assurance, it is recommended to have the installation performed by a qualified professional well-versed in Twin Wall Insulated Chimney systems.

It is primarily used for creating a cleaning access at the base of the chimney, especially suited for woodstoves, gas coal effect fires, oil and gas boilers, and various solid fuel appliances.

The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel, both 0.4mm thick. The insulation is made from compressed rockwool with a density of 200kg/m3.

Yes, it is HETAS Approved and CE marked, meeting the necessary safety standards for chimney flues.

A minimum distance of 50mm should be maintained from the outside of the flue to any combustible material such as wood or plasterboard.

TWPro Twin Wall Insulated Chimney parts, including the LONG 135° Tee, are secured together using a Locking Band. Ensure a safe distance from combustibles is maintained during installation.

No, the design of the 135° Tee ensures that flue gases are not restricted, promoting efficient flow throughout the system.

Yes, the LONG 135° Tee is designed to work efficiently on both internal and external walls, providing versatile cleaning access.

 

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