TWPro GREY - Increaser SW to TWPro - Ø 125-150mm (17-125-002)
At a Glance
- Connects single wall stove pipes to twin wall chimney systems
Constructed with dual stainless steel layers (304 outer, 316L inner) at 0.40mm thickness
Fully welded for enhanced durability
Complies with HETAS and CE standards
Insulated with compressed rockwool (200kg/m3) for optimal thermal efficiency
Designed for use with wood, oil, gas, and low sulphur coal appliances
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
The TWPro GREY Increaser SW to TWPro - Ø 125-150mm is a crucial component for enhancing your chimney system, designed to connect single wall stove pipes to twin wall chimney systems seamlessly. Constructed with an outer skin of 304 grade stainless steel and an inner skin of 316 grade stainless steel, both 0.4mm thick, this adaptor guarantees durability and high performance. It features compressed rockwool insulation with a density of 200kg/m3 to ensure optimal thermal efficiency and safety.
The product is fully welded, reinforcing its robustness. The TWPro system is HETAS approved and CE marked, assuring you of its quality and compliance with regulations such as EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20. Installation is straightforward with the use of a locking band, and a mandatory 50mm clearance from combustibles is required for safety.
Ideal for various appliance types including wood stoves, gas fires, and oil boilers.
SKU: 17-125-002
| Technical Specifications | |
|---|---|
| Product ID | 2663 |
| SKU | 17-125-002 |
| Size | u00d8 125-150mm |
| Outer Material | 304 Stainless Steel (0.40mm thick) |
| Inner Material | 316L Stainless Steel (0.40mm thick) |
| Insulation | Compressed Rockwool (200kg/m3) |
| Certifications | HETAS, CE |
| Standards | EN1856-1 T600 N1 W V2 L50040 G50; EN1856-1 T200 W V2 L50040 O20 |
| Minimum Clearance | 50mm from combustibles |
