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135° Tee Ø 125 (2-125-034)

National Flues proudly presents the 135° Tee Ø 125—an essential component designed for efficient chimney systems. Compatible with woodstoves, oil, and gas boilers, this premium chimney tee offers unparalleled durability and safety. Read more...
Now only £155.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
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At a Glance

  • Crafted from premium 304 and 316L stainless steel (0.40mm thick)
  • Engineered for solid fuel, gas, and oil appliances
  • Compressed rockwool insulation (200kg/m³) for enhanced thermal efficiency
  • Fully welded construction ensuring durability and safety
  • HETAS approved and CE marked with EN1856-1 designations
  • Designed to provide easy cleaning access at the base of the chimney
  • Requires a safe 50mm clearance to 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.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

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

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

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

The 135° Tee Ø 125 is expertly designed for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, and oil/gas boilers. Constructed with durability in mind, it features an outer skin made from 304-grade stainless steel and an inner skin from 316-grade stainless steel, both with a thickness of 0.4mm. The insulation is made from compressed rockwool with a density of 200kg/m³, ensuring maximum thermal efficiency and safety.

Fully welded parts and a 50mm distance to combustibles make this product reliable and secure. The 135° Tee Ø 125 is TWPro HETAS Approved and CE marked, with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20, meeting rigorous safety standards. It is installed using a Locking Band to secure all components together and should be positioned 50mm away from any combustible materials.

SKU: 2-125-034

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
Product Type135° Tee Ø 125
UsageSolid fuel, gas, and oil appliances
Inner Material316L Stainless Steel - 0.40mm
Outer Material304 Stainless Steel - 0.40mm
InsulationCompressed Rockwool (200kg/m³)
Installation MethodLocking Band system
Clearance50mm distance to combustibles
ApprovalsHETAS Approved, CE marked
Design StandardsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 W V2 L50040 O20
1. Ensure that the chimney area is clear, maintaining a minimum 50mm distance from any combustible materials. 2. Position the 135° Tee Ø 125 at the base of the chimney, aligning it correctly according to your flue system requirements. 3. Secure the component using the provided Locking Band, ensuring all connections are tight and fully welded joints are intact. 4. Verify that the installation adheres to all manufacturer guidelines and local safety regulations. 5. Once installed, conduct a final inspection to confirm stability and proper clearance. It is recommended to consult or hire a professional installer if unsure about any part of the process.

The 135° Tee Ø 125 is compatible with solid fuel appliances such as woodstoves, as well as gas coal effect fires, and oil and gas boilers.

The outer skin is made from 304-grade stainless steel, and the inner skin is made from 316-grade stainless steel. Both are 0.4mm thick.

The insulation is made from compressed rockwool, with a density of 200kg/m³.

Yes, the 135° Tee Ø 125 is HETAS Approved and CE marked, with designation numbers EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20.

The tee is installed using a Locking Band which secures all components together. Ensure a 50mm distance from any combustible materials.

You must maintain a distance of 50mm from the outside of the flue to any combustible material such as wood or plasterboard.

The 135° Tee Ø 125 provides convenient access for cleaning the base of the chimney, making maintenance tasks easier and more efficient.

 

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