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TWPro MB - 45° Bend - Ø 175 (37-175-031)

Discover the TWPro MB - 45° Bend - Ø 175 by National Flues, a premium chimney flue component engineered for optimal performance. Ideal for solid fuel and gas/oil appliances such as woodstoves, oil boilers, and gas boilers, this high-quality flue accessory is designed to provide a precise offset in your flue system. Enhance your installation with this durable, precision-crafted bend and explore additional accessories to complete your custom chimney solution.
The price you pay today £96.99
Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    45° precise bend design for optimal flue routing
    Outer skin constructed using 304 stainless steel with a high-temperature black finish
    Inner lining of robust 316L stainless steel
    Enhanced with 200kg/m³ compressed rockwool insulation for superior thermal efficiency
    Fully welded construction ensuring long-lasting durability
    Secure locking band for reliable and hassle-free installation
    HETAS approved and CE marked to meet rigorous safety standards
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 - 45° Bend - Ø 175 is an essential component for your chimney flue system, specifically designed for use with solid fuel and gas/oil appliances such as woodstoves, gas coal effect fires, oil boilers, and gas boilers. Constructed with precision and durability in mind, the outer skin features 304 stainless steel with a 0.4mm thickness, coated in a high-temperature black finish. The inner skin is made from 316-grade stainless steel, also 0.4mm thick.

Enhanced by dense 200kg/m3 compressed rockwool insulation, this bend ensures peak efficiency and safety. Fully welded for enduring reliability, it maintains a safe 50mm distance to combustibles in compliance with safety standards. TWPro boasts HETAS approval and CE marking, adding to its credentials.

The assembly involves a locking band for secure connections, keeping your installation hassle-free.

SKU: 37-175-031

Technical Specifications
ModelTWPro MB - 45u00b0 Bend - u00d8 175
Outer Material304 Stainless Steel, 0.40mm, High Temperature Black Coated
Inner Material316L Stainless Steel, 0.40mm
InsulationCompressed Rockwool, 200kg/mu00b3
Diameter175mm
Bend Angle45u00b0
Safety Distance50mm
ApprovalsHETAS, CE
Suitable ForWoodstoves, Gas Coal Effect Fires, Oil Boilers, Gas Boilers
The TWPro MB - 45° Bend is engineered for a secure, reliable installation. Begin by ensuring that the entire flue system maintains a minimum clearance of 50mm from any combustible materials. Use the supplied locking band to secure the connection between components, confirming that all joints are fully welded and properly aligned. Prior to finalising the setup, double-check that all specifications meet local installation regulations. If in doubt, consult a certified professional to guarantee safety and compliance.

This bend is suitable for solid fuel and gas/oil appliances such as 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, and the inner skin is made from 316-grade stainless steel.

The bend is insulated with compressed rockwool, providing a density of 200kg/m3.

The components are secured together using a locking band, which is supplied with the product.

Yes, the TWPro MB - 45° Bend - Ø 175 is HETAS approved and CE marked, meeting both EN1856-1 T600 N1 W V2 L50040 G50 and T200 P1 W V2 L50040 O20 standards.

The required distance from any combustible materials, such as wood or plasterboard, is 50mm.

Absolutely, it is suitable for both residential and commercial installations involving solid fuel and gas/oil appliances.

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