Single Wall to Twin Wall Increaser Ø 80 - Ø 100 (2-80-002)
At a Glance
- Manufactured with high-quality 304 and 316L stainless steel
Designed for a seamless single wall to twin wall transition
Compatible with solid fuel, gas, and oil appliances
Tapered design for safe, efficient installation
HETAS approved and CE marked
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.
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.
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
Introducing the Single Wall to Twin Wall Increaser Ø 80 - Ø 100 mm, your perfect solution for connecting various heating appliances to TWPro flue systems. This increaser is crafted for compatibility with solid fuel, gas, and oil appliances including wood stoves, gas coal effect fires, and oil/gas boilers. Constructed with top-notch 304-grade stainless steel for the outer skin and reinforced by a 316-grade stainless steel inner skin, both 0.4mm thick, it ensures superior durability.
The insulation comprises high-density, compressed rockwool at 200kg/m3 for optimal heat resistance. Fully welded parts and a tapered design provide a seamless transition from single wall to twin wall. Keeping safety in mind, a mandatory distance of 50mm from combustibles like wood or plasterboard is required.
TWPro is HETAS Approved and CE marked, conforming to standards EN1856-1 T600 N1 W V2 L50040 G50 and T200 W V2 L50040 O20. Installation is user-friendly with Locking Band connectors, ensuring robust and secure fitting.
SKU: 2-80-002
| Technical Specifications | |
|---|---|
| SKU | 2-80-002 |
| Product Name | Single Wall to Twin Wall Increaser u00d8 80 - u00d8 100 |
| Inner Material | 316L Stainless Steel (0.40mm thick) |
| Outer Material | 304 Stainless Steel (0.40mm thick) |
| Insulation | Compressed Rockwool at 200kg/m3 |
| Diameter Range | u00d8 80 mm to u00d8 100 mm |
| Applicable Fuels | Wood, Oil, Gas, Low Sulpher Coal |
| Approvals | HETAS, CE Marked |
| Compliance | EN1856-1 Standards |
| Clearance | 50mm from combustibles |
