Single Wall to Twin Wall Increaser Ø 175 - Ø 200 (2-175-002)
At a Glance
- HETAS Approved & CE Marked
Durable 304 grade stainless steel outer & 316 grade stainless steel inner construction
High-density compressed rockwool insulation (200kg/m3) for optimal safety
Seamless transition from single wall to TWPro twin wall flues
Universal adaptor suitable for woodstoves, gas, oil, and solid fuel 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 Single Wall to Twin Wall Increaser Ø 175 - Ø 200 is an essential connector for woodstoves, gas coal fires, oil, and gas boilers. Crafted with a robust 304 grade stainless steel outer skin and a 316 grade stainless steel inner skin, each 0.4mm thick, the increaser promises longevity and efficient performance. Insulated with high-density compressed rockwool (200kg/m3), this product ensures optimal safety with a safe distance of 50mm from combustibles.
Fully welded and HETAS Approved with CE marking, it meets all necessary safety standards (EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 W V2 L50040 O20). Installation is straightforward with a locking band to secure TWPro twin wall insulated chimney parts, making it a reliable choice for any solid fuel or gas/oil appliance system.
SKU: 2-175-002
| Technical Specifications | |
|---|---|
| SKU | 2-175-002 |
| In Stock | 10 |
| Price | 20.51 |
| Outer Material | 304 Stainless Steel (0.4mm thick) |
| Inner Material | 316 Stainless Steel (0.4mm thick) |
| Insulation | High-density compressed rockwool (200kg/m3) |
| Combustible Clearance | 50mm |
| Certifications | HETAS Approved, CE Marked |
| Designations | EN1856-1 T600 N1 W V2 L50040 G50 / EN1856-1 T200 W V2 L50040 O20 |
| System Compatibility | TWPro |
