TWPro MB - Long 90° Tee (450mm) - Ø 125
At a Glance
- Constructed with premium 304 and 316 stainless steel for durability
- High-density compressed rockwool insulation (200kg/m3) for superior efficiency
- HETAS approved and CE marked for certified safety
- Secure, easy installation with an included locking band
- Versatile design ideal for wood, gas, oil, and coal-effect appliances

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 TWPro MB Long 90° Tee (450mm) - Ø 125 is designed for use with a variety of heating appliances including woodstoves, gas coal-effect fires, oil boilers, and gas boilers. Constructed with a high-grade 304 stainless steel outer skin and a 316 stainless steel inner skin, both at 0.4mm thickness, this tee is built for durability and efficiency. The insulation is high-density compressed rockwool at 200kg/m3, ensuring optimal performance.
Fully welded and HETAS approved, the TWPro MB Tee is CE marked, meeting standards EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is a breeze with a secure locking band included. Maintain a 50mm distance from combustibles for safety.
SKU: 37-125-045
Technical Specifications | |
---|---|
SKU | 37-125-045 |
Branch Length | 450mm |
Outer Material | 304 Stainless Steel with high temperature black coating (0.4mm) |
Inner Material | 316L Stainless Steel (0.4mm) |
Insulation | High-density compressed rockwool (200kg/m3) |
Approvals | HETAS, CE |
Standards | EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20 |
Distance To Combustibles | 50mm |
Suitable For | Wood, Gas, Oil, Coal-effect appliances |
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
At National Flues, we are proud to offer the TWPro MB Long 90° Tee, a top-rated product in chimney flue solutions. It's perfect for a variety of heating appliances and comes with HETAS approval and CE marking. Count on our reliable nationwide delivery and exceptional service for both retail and trade customers.
The TWPro MB Long 90° Tee (450mm) - Ø 125 is used to connect a flue to the rear outlet of various heating appliances, ensuring efficient and safe exhaust routing.
TWPro is known for producing high-quality flue components that meet stringent safety and performance standards. Their products are designed for compatibility with a wide range of heating appliances, ensuring long-lasting and efficient operation.
