90° Tee Ø 125
At a Glance
- Dual-layer stainless steel construction (304 outer, 316L inner) for superior durability
- Compressed rockwool insulation (200kg/m3) for enhanced thermal efficiency
- Fully welded joints ensuring a robust and leak-proof connection
- HETAS approved and CE marked, meeting EN1856-1 standards
- Designed to maintain a safe 50mm distance from combustibles
- Ideal for solid fuel, gas, and oil appliances including woodstoves, boilers, and gas fires

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: [email protected]
- Info
- Specs
- Install
- FAQs
The 90° Tee Ø 125 is a critical component designed for seamless integration with solid fuel, gas, and oil appliances such as woodstoves, gas coal effect fires, and various boilers. Constructed with high-grade materials, the outer skin is made from resilient 304 grade stainless steel, while the inner layer utilizes superior 316 grade stainless steel. Both layers are 0.4mm thick, ensuring durability and longevity.
The insulation consists of compressed rockwool with a dense 200kg/m3 composition, which significantly enhances thermal efficiency. All parts are fully welded for added strength and reliability. The product is designed to maintain a safe 50mm distance from combustibles, ensuring safety and compliance with rigorous industry standards.
The 90° Tee Ø 125 is HETAS approved and CE marked, conforming to EN1856-1 specifications for high-temperature resilience and emissions standards. Installation is straightforward with the use of a Locking Band, which securely connects all chimney parts.
SKU: 2-125-035
Technical Specifications | |
---|---|
Model | 90u00b0 Tee u00d8 125 |
SKU | 2-125-035 |
Dimensions | 125mm |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Insulation | Compressed Rockwool (200kg/m3) |
Compliance | HETAS / CE (EN1856-1) |
Minimum Distance To Combustibles | 50mm |
Fuel Compatibility | Wood, Oil, Gas, Low sulphur coal |
System | TWPro |
Installation Method | Locking Band secured, fully welded joints |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The 90° Tee Ø 125 is a top-tier choice for connecting your flue system to various appliances. With exceptional construction quality and a proven track record for reliability, this product truly stands out. National Flues proudly offers nationwide delivery, catering to both retail and trade customers. We rate this product 9.5 out of 10 for its superb performance and unbeatable value.
The 90° Tee Ø 125 is used for creating a right-angle connection within a flue system, typically when connecting the flue to the rear outlet of an appliance.
National Flues is a trusted supplier of high-quality fireplaces and flues across the UK. Known for exceptional customer service, competitive pricing, and reliable nationwide delivery, National Flues serves both retail and trade customers with the utmost dedication and expertise.
