TWPro MB - Long 90° Tee (450mm) - Ø 150
At a Glance
- Constructed from high-grade 304 and 316 stainless steel
- 450mm branch designed for direct insulation on wood burning stoves
- Suitable for wood, oil, gas, and low sulphur coal appliances
- Features high-temperature black coated outer skin for enhanced durability

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 150 is an essential component for connecting your flue system to the rear outlet of a wide range of appliances, including woodstoves, gas coal effect fires, and oil or gas boilers. This long tee features a 450mm branch, allowing for direct insulation onto the back of a wood burning stove, and passing seamlessly through standard brick walls.Built with durability in mind, the outer skin of this tee is made from 304 stainless steel, coated in a high-temperature black finish, adding both style and protection. The inner skin comprises 316 grade stainless steel for superior corrosion resistance and longevity.
The product boasts a robust insulation layer made of compressed rockwool with a density of 200kg/m3, ensuring excellent thermal protection.Safety is a key feature, with a required distance of 50mm from any combustible materials. All parts are fully welded to maintain integrity under high temperatures, and the product has received HETAS approval and CE marking for quality assurance. The TWPro MB Long 90° Tee is designed to install effortlessly, secured with a locking band included in each purchase.
SKU: 37-150-045
Technical Specifications | |
---|---|
Outer Material | 304 Stainless Steel with High Temperature Black Coated Finish (0.40mm thick) |
Inner Material | 316L Stainless Steel (0.40mm thick) |
Branch Length | 450mm |
Nominal Size | u00d8 150 |
Insulation | Compressed Rockwool, 200kg/mu00b3 |
Approvals | HETAS / CE approved, meeting EN1856-1 standards |
Minimum Clearance | 50mm distance to combustibles |
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 TWPro MB - Long 90° Tee (450mm) - Ø 150 is an outstanding product for any flue system. Its high-quality construction and versatile application make it a top choice for retailers and trade customers alike. As always, National Flues ensures reliable nationwide delivery and competitive pricing.
The TWPro MB - Long 90° Tee is designed to connect flue systems to the rear outlets of appliances, facilitating efficient and safe exhaust of gases.
TWPro is a renowned brand known for its high-quality, durable flue and chimney components, offering products that meet rigorous safety and performance standards. They are a preferred choice for both retail and trade customers.
