TWPro Black - Wall Support 210-420mm - Ø 127
At a Glance
- EN1856-1, HETAS & CE approved
- Premium 304 & 316 stainless steel construction (0.40mm thick)
- Adjustable installation: 80mm to 420mm from the wall
- Laser welded for superior durability
- Provides a secure 50mm clearance 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: [email protected]
- Info
- Specs
- Install
- FAQs
The TWPro Black Wall Support 210-420mm - Ø 127 is a premium chimney flue support designed for use with solid fuel and gas/oil appliances such as woodstoves, gas coal-effect fires, and boilers. Its robust construction features a 304-grade stainless steel outer skin and a 316-grade stainless steel inner skin, both with a thickness of 0.4mm. The insulation comprises compressed rockwool with a density of 230kg/m3, securely encapsulated within the twist-lock couplers.
Fully laser welded for maximum durability, this support ensures a safe distance of 50mm from combustibles. The product carries HETAS approval and is CE marked, meeting stringent quality standards (EN1856-1 T450 N1 D V2 L50040 G50). Easy installation is facilitated by an 8-barbed twist-lock system and secure locking band, making it ideal for professional and DIY projects alike.
SKU: 42-125-057
Technical Specifications | |
---|---|
SKU | 42-125-057 |
Product Name | TWPro Black Wall Support 210-420mm - u00d8 127 |
Outer Material | 304 Stainless Steel (0.40mm thick) |
Inner Material | 316 Stainless Steel (0.40mm thick) |
Insulation | Compressed rockwool, 230kg/m3 |
Approval | HETAS / CE |
Distance To Combustibles | 50mm |
Installation Distance | Every 3 metres along the flue |
Adjustable Range | 80mm to 420mm from the wall |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. 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.
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National Flues Ltd Verdict
At National Flues, we’re proud to offer the TWPro Black Wall Support 210-420mm - Ø 127. This top-quality wall support is perfect for both solid fuel and gas/oil appliances, ensuring safety and reliability. Available nationwide with unbeatable prices and dedicated support for retail and trade customers.
The TWPro Black Wall Support 210-420mm is designed to provide stable, lateral support for chimney flue installations, ensuring safe and secure attachment to building surfaces.
National Flues is a trusted supplier of high-quality fireplaces and flues, offering reliable service and nationwide delivery. Known for unbeatable prices and dedicated support for both retail and trade customers, National Flues is committed to providing top-tier products and exceptional customer care.
