× National Flues
We Won't Be Beaten On Price.
Free Delivery on Orders Over £100
100% 5 Star Reviews on Trustpilot
Free Flue Design Service Available
Need Help? 01670 206999 (8am-5pm)

TWPro MB - 45° Bend - Ø 100 (37-100-031)

National Flues presents the TWPro MB - 45° Bend - Ø 100, a top-quality twin wall flue component designed for a range of heating appliances including woodstoves, oil and gas boilers. Crafted from premium 316L and 304 stainless steel and featuring superior rockwool insulation, this product combines durability with high-performance safety. Enhance your chimney system’s efficiency with this HETAS approved and CE marked essential accessory.
Hover to Zoom / Click for Gallery
£53.99
Give us a call if you find it cheaper and we'll try to price match.

 

Payment Options

At a Glance

  • Premium dual stainless steel construction (304 outer high-temperature black finish, 316L inner)
  • Compressed rockwool insulation at 200kg/m3 for optimal thermal performance
  • HETAS approved and CE marked for assured safety and compliance
  • Easy and secure installation using a provided locking band
  • Versatile use with wood, oil, gas, and low sulphur coal 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]

The TWPro MB - 45° Bend - Ø 100 is a premium component crucial for directing flue gases safely and efficiently. Perfect for a range of applications including woodstoves, gas coal effect fires, oil boilers, and gas boilers. Made with superior materials, the outer skin is constructed from 304 stainless steel with a high-temperature black finish, and the inner skin uses 316-grade stainless steel.

This ensures durability and resistance to high temperatures. The product boasts compressed rockwool insulation with a density of 200kg/m3, securing optimal performance and safety. Fully welded parts and a mandatory distance of 50mm from combustibles enhance safety.

Approved by HETAS and CE marked, compliance is guaranteed with designations EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20. Installation is straightforward with a provided locking band, ensuring secure fitment.

SKU: 37-100-031

Technical Specifications
SKU37-100-031
Product NameTWPro MB - 45u00b0 Bend - u00d8 100
Outer Material304 Stainless Steel with High-Temperature Black Coating
Inner Material316L Stainless Steel
InsulationCompressed Rockwool, 200kg/m3
Safe Distance50mm from combustibles
ApprovalsHETAS, CE Marked
DesignationsEN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20
Fuel CompatibilityWood, Oil, Gas, Low Sulphur Coal
InstallationSecured with a locking band
Installation is straightforward: First, ensure the area around the flue is clear of any combustibles, maintaining a safe distance of at least 50mm. Begin by aligning the two segments carefully, then secure them using the supplied locking band to create a tight and safe connection. Verify that all components are fully welded and that the compressed rockwool insulation remains undisturbed. It is essential to follow the manufacturer’s guidelines meticulously. If you are uncertain or require professional assistance, consult a certified flue installer to ensure compliance with all safety standards.

This product is compatible with solid fuel, gas, and 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, and the inner skin is made from 316-grade stainless steel. It also features rockwool insulation at 200kg/m3 density.

Yes, the TWPro MB - 45° Bend is HETAS approved and is CE marked for quality assurance.

A safe distance of 50mm from any combustible materials such as wood or plasterboard must be maintained.

Installation is completed by securing the parts together using the supplied locking band, ensuring a safe and stable connection.

The designations are EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20.

Yes, the TWPro MB - 45° Bend is available for both retail and trade customers. We offer competitive pricing and reliable nationwide delivery.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our TWPro MB - 45° Bend - Ø 100 buyers guide

Secure your TWPro MB - 45° Bend now for a flawless flue system upgrade.

Your recently viewed products:

Multiple Payment Options- including Klarna, Clearpay, Mastercard, Visa and Paypal