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TWPro MB - Long 90° Tee (450mm) - Ø 150 (37-150-045)

The TWPro MB - Long 90° Tee (450mm) - Ø 150 is a robust and reliable chimney flue component, ideal for connecting your appliance's rear outlet securely. This premium product from TWPro is engineered for superior thermal performance and safety, making it an excellent choice for both residential and commercial installations. Whether you are searching for durable chimney accessories, a high-quality flue system component, or a reliable tee for wood, gas, or oil appliances, this product offers unmatc Read more...
The price you pay today £394.99
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

    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
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes 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 and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

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We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

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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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:

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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.

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

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Have Questions?
Phone: 01670 206999
Email: [email protected]

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 Material304 Stainless Steel with High Temperature Black Coated Finish (0.40mm thick)
Inner Material316L Stainless Steel (0.40mm thick)
Branch Length450mm
Nominal Sizeu00d8 150
InsulationCompressed Rockwool, 200kg/mu00b3
ApprovalsHETAS / CE approved, meeting EN1856-1 standards
Minimum Clearance50mm distance to combustibles
Before installing the TWPro MB - Long 90° Tee, ensure that the area maintains a minimum clearance of 50mm from any combustible material. The unit is designed for a direct insulation application to the rear of an appliance such as a wood burning stove or boiler. Begin by checking that all flue connections are free from obstructions and align correctly. Secure the tee using the included locking band, ensuring that all joints are fully welded and firmly fitted. It is crucial to adhere to the manufacturer's safety guidelines and local building regulations. Optional accessories such as additional locking bands, flue support brackets, and cleaning kits are available to enhance and maintain the installation.

This tee is compatible with solid fuel and gas/oil appliances, including woodstoves, gas coal effect fires, oil boilers, and gas boilers.

The outer skin is made from 304 stainless steel with a high-temperature black finish, while the inner skin is composed of 316 grade stainless steel.

The tee has a compressed rockwool insulation layer with a density of 200kg/m3, offering superior thermal protection.

Yes, it requires a safe distance of 50mm from combustible materials and is fully welded for integrity. It is HETAS approved and CE marked.

The parts are secured together using a locking band, which is included with the product, ensuring easy and reliable installation.

The tee is HETAS approved and CE marked, meeting EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 standards.

Absolutely, it's designed for versatility and can be used in a variety of settings, both residential and commercial.

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