TWPro MB - Twin Wall to Twin Wall Increaser - Ø 175-Ø 200 (37-175-004)
At a Glance
- Premium 316L and 304 stainless steel construction with high-temperature black finish
Fully welded design ensuring robust durability
Compressed rockwool insulation (200kg/m³) for optimal heat retention
Precisely designed to connect twin wall systems in 25mm increments
Suitable for wood, oil, gas, and low sulphur coal appliances
HETAS approved and CE marked for safety and compliance
Easy installation with secure locking bands and 50mm clearance requirement
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 MB Twin Wall to Twin Wall Increaser (Ø 175-Ø 200) is a top-tier solution for those looking to enhance their chimney system. This innovative product is ideal for a range of appliances including wood stoves, gas coal effect fires, oil boilers, and any solid fuel devices. Constructed meticulously with an outer skin of 304 stainless steel, coated in a high-temperature black finish, and an inner skin of 316 grade stainless steel, this increaser is built to withstand rigorous conditions.
With a compressed rockwool insulation boasting a density of 200kg/m3, it ensures excellent heat retention. All parts are fully welded, guaranteeing durability and performance. The TWPro series meets HETAS and CE certifications, ensuring safety and compliance.
Installation is straightforward with secure locking bands included, and the necessary 50mm clearance from combustibles is easily achievable. Enhance your flue system today with the TWPro MB Increaser, a trusted component from National Flues.
SKU: 37-175-004
| Technical Specifications | |
|---|---|
| Model | TWPro MB |
| Application | Twin Wall to Twin Wall Increaser |
| Size | u00d8 175-u00d8 200 |
| Inner Material | 316L Stainless Steel (0.40mm thick) |
| Outer Material | 304 Stainless Steel (0.40mm thick) with high-temperature black coating |
| Insulation | Compressed Rockwool (200kg/mu00b3) |
| Certifications | HETAS, CE |
| Clearance Requirement | 50mm from combustibles |
| Suitable Fuels | Wood, Oil, Gas, Low Sulphur Coal |
