Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

TWPro Black - Wall Support 210-420mm - Ø 152 (42-150-057)

National Flues offers the TWPro Black Wall Support 210-420mm Ø 152, a premium solution engineered for excellent lateral support. This twin-wall stainless steel accessory is ideal for safeguarding solid fuel, gas, and oil appliances across the UK. Read more...
TWPro Black - Wall Support 210-420mm - Ø 152
IN STOCK
Product Thumbnail
Product Thumbnail
Now only £107.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryFriday, November 14th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Provides robust lateral support for solid fuel, gas, and oil appliances
  • Constructed with 304 and 316L grade stainless steel
  • Adjustable installation from 210mm to 420mm with manual cutting for precise fitting
  • Suitable for use every 3 metres ensuring consistent support
  • HETAS approved and CE marked for enhanced safety
  • Designed to maintain a safe 50mm distance from combustibles

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: sales@nationalflues.com

The TWPro Black Wall Support 210-420mm Ø 152 is meticulously constructed to provide exceptional lateral support for various solid fuel and gas/oil appliances. Perfect for applications such as woodstoves, gas coal effect fires, and oil and gas boilers, this wall support ensures your system's stability and safety. Crafted from durable 304 and 316 grade stainless steel, the TWPro's inner and outer skins offer impressive resilience, with a 0.4mm thickness for both.

Encapsulated within these layers is compressed rockwool insulation, with a density of 230kg/m³, ensuring optimal thermal performance. The insulation is secured within twist-lock couplers, and all parts are fully laser welded, adhering to the highest industry standards.With a minimum installation distance of 50mm from combustibles and HETAS approval, coupled with CE marking, you can trust in the safety and compliance of this product. The designation number is EN1856-1 T450 N1 D V2 L50040 G50, confirming its suitability for high-temperature applications.

Installation is a breeze with the Sflue 8 barbed twist lock system, which ensures secure attachment using a locking band. Maintain a safe distance of 50mm from any combustible materials and enjoy peace of mind with your installation.

SKU: 42-150-057

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

This is us — real advice over the phone, or at the counter, and real stock in our warehouse.

Customer being served at the National Flues trade counter
Trade counter Installer collection & same-day help.
Team helping customers at the counter
Advice Real people on the phone to spec the right parts.
Friendly member of the team at the front desk
Here to help Friendly, straight answers from HETAS approved experts.
Warehouse shelves with boxed flue components being picked for dispatch
Warehouse Orders picked & dispatched nationwide.
Talk to the team Visit our trade counter
Technical Specifications
SKU42-150-057
Product NameTWPro Black - Wall Support 210-420mm - Ø 152
DesignationEN1856-1 T450 N1 D V2 L50040 G(50)
SystemSflue Black with 8 Barbed Twist Lock
Inner Material316L Stainless Steel (0.40mm thick)
Outer Material304 Stainless Steel (0.40mm thick)
InsulationCompressed Rockwool, 230kg/m³
FuelsWood, Oil, Gas, Low sulphur coal
ApprovalsHETAS / CE
Installation Distance50mm from combustibles
AdjustmentManually cut to desired length, adjustable from 210mm to 420mm
When installing the TWPro Black Wall Support, ensure a minimum distance of 50mm from any combustible material. The support should be positioned every 3 metres along the wall, with the system designed to be manually cut for a precise fit between 210mm to 420mm from the installation surface. Ensure that all fixings are properly secured using the recommended methods for flue installations. Regular checks following installation are advised to verify that the supporting structure remains stable and compliant with safety guidelines.

It is suitable for solid fuel, gas, and oil appliances including woodstoves, gas coal effect fires, and oil and gas boilers.

The outer skin is made from 304 grade stainless steel, and the inner skin is made from 316 grade stainless steel, both with a thickness of 0.4mm. The insulation is compressed rockwool with a density of 230kg/m³, encapsulated within twist-lock couplers.

Yes, it is HETAS approved and also CE marked, ensuring it meets high safety and quality standards.

The wall support should be used for lateral support every 3 metres.

The wall support must be securely attached using recommended fixings and must maintain a minimum distance of 50mm from any combustible materials.

Yes, it allows adjustment from 80mm to 420mm from the wall surface and can be manually cut down for precision fitting.

The designation number is EN1856-1 T450 N1 D V2 L50040 G50, indicating its specifications and suitability for high-temperature and safety standards.

 

Call the Experts   8am-5pm
👀 5 people watching this